686642580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 288

約数和(自身を含む): 2438680608

約数和(自身を除く): 1752038028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 41, 45, 51, 52, 60, 65, 68, 78, 82, 85, 90, 102, 117, 123, 130, 153, 156, 164, 170, 180, 195, 204, 205, 221, 234, 246, 255, 260, 306, 340, 369, 390, 410, 421, 442, 468, 492, 510, 533, 585, 612, 615, 663, 697, 738, 765, 780, 820, 842, 884, 1020, 1066, 1105, 1170, 1230, 1263, 1326, 1394, 1476, 1530, 1599, 1684, 1845, 1989, 2091, 2105, 2132, 2210, 2340, 2460, 2526, 2652, 2665, 2788, 3060, 3198, 3315, 3485, 3690, 3789, 3978, 4182, 4210, 4420, 4797, 5052, 5330, 5473, 6273, 6315, 6396, 6630, 6970, 7157, 7380, 7578, 7956, 7995, 8364, 8420, 9061, 9594, 9945, 10455, 10660, 10946, 12546, 12630, 13260, 13940, 14314, 15156, 15990, 16419, 17261, 18122, 18945, 19188, 19890, 20910, 21471, 21892, 23985, 25092, 25260, 27183, 27365, 28628, 31365, 31980, 32838, 34522, 35785, 36244, 37890, 39780, 41820, 42942, 45305, 47970, 49257, 51783, 54366, 54730, 62730, 64413, 65676, 69044, 71570, 75780, 81549, 82095, 85884, 86305, 90610, 93041, 95940, 98514, 103566, 107355, 108732, 109460, 125460, 128826, 135915, 143140, 155349, 163098, 164190, 172610, 181220, 186082, 197028, 207132, 214710, 224393, 246285, 257652, 258915, 271830, 279123, 293437, 310698, 322065, 326196, 328380, 345220, 372164, 407745, 429420, 448786, 465205, 492570, 517830, 543660, 558246, 586874, 621396, 644130, 673179, 776745, 815490, 837369, 880311, 897572, 930410, 985140, 1035660, 1116492, 1121965, 1173748, 1288260, 1346358, 1395615, 1467185, 1553490, 1630980, 1674738, 1760622, 1860820, 2019537, 2243930, 2640933, 2692716, 2791230, 2934370, 3106980, 3349476, 3365895, 3521244, 3814681, 4039074, 4186845, 4401555, 4487860, 5281866, 5582460, 5868740, 6731790, 7629362, 8078148, 8373690, 8803110, 10097685, 10563732, 11444043, 13204665, 13463580, 15258724, 16747380, 17606220, 19073405, 20195370, 22888086, 26409330, 34332129, 38146810, 40390740, 45776172, 52818660, 57220215, 68664258, 76293620, 114440430, 137328516, 171660645, 228880860, 343321290, 686642580]

約数ペア:

[(1, 686642580), (2, 343321290), (3, 228880860), (4, 171660645), (5, 137328516), (6, 114440430), (9, 76293620), (10, 68664258), (12, 57220215), (13, 52818660), (15, 45776172), (17, 40390740), (18, 38146810), (20, 34332129), (26, 26409330), (30, 22888086), (34, 20195370), (36, 19073405), (39, 17606220), (41, 16747380), (45, 15258724), (51, 13463580), (52, 13204665), (60, 11444043), (65, 10563732), (68, 10097685), (78, 8803110), (82, 8373690), (85, 8078148), (90, 7629362), (102, 6731790), (117, 5868740), (123, 5582460), (130, 5281866), (153, 4487860), (156, 4401555), (164, 4186845), (170, 4039074), (180, 3814681), (195, 3521244), (204, 3365895), (205, 3349476), (221, 3106980), (234, 2934370), (246, 2791230), (255, 2692716), (260, 2640933), (306, 2243930), (340, 2019537), (369, 1860820), (390, 1760622), (410, 1674738), (421, 1630980), (442, 1553490), (468, 1467185), (492, 1395615), (510, 1346358), (533, 1288260), (585, 1173748), (612, 1121965), (615, 1116492), (663, 1035660), (697, 985140), (738, 930410), (765, 897572), (780, 880311), (820, 837369), (842, 815490), (884, 776745), (1020, 673179), (1066, 644130), (1105, 621396), (1170, 586874), (1230, 558246), (1263, 543660), (1326, 517830), (1394, 492570), (1476, 465205), (1530, 448786), (1599, 429420), (1684, 407745), (1845, 372164), (1989, 345220), (2091, 328380), (2105, 326196), (2132, 322065), (2210, 310698), (2340, 293437), (2460, 279123), (2526, 271830), (2652, 258915), (2665, 257652), (2788, 246285), (3060, 224393), (3198, 214710), (3315, 207132), (3485, 197028), (3690, 186082), (3789, 181220), (3978, 172610), (4182, 164190), (4210, 163098), (4420, 155349), (4797, 143140), (5052, 135915), (5330, 128826), (5473, 125460), (6273, 109460), (6315, 108732), (6396, 107355), (6630, 103566), (6970, 98514), (7157, 95940), (7380, 93041), (7578, 90610), (7956, 86305), (7995, 85884), (8364, 82095), (8420, 81549), (9061, 75780), (9594, 71570), (9945, 69044), (10455, 65676), (10660, 64413), (10946, 62730), (12546, 54730), (12630, 54366), (13260, 51783), (13940, 49257), (14314, 47970), (15156, 45305), (15990, 42942), (16419, 41820), (17261, 39780), (18122, 37890), (18945, 36244), (19188, 35785), (19890, 34522), (20910, 32838), (21471, 31980), (21892, 31365), (23985, 28628), (25092, 27365), (25260, 27183)]