311517180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 1109541888

約数和(自身を除く): 798024708

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, 191, 195, 204, 205, 221, 234, 246, 255, 260, 306, 340, 369, 382, 390, 410, 442, 468, 492, 510, 533, 573, 585, 612, 615, 663, 697, 738, 764, 765, 780, 820, 884, 955, 1020, 1066, 1105, 1146, 1170, 1230, 1326, 1394, 1476, 1530, 1599, 1719, 1845, 1910, 1989, 2091, 2132, 2210, 2292, 2340, 2460, 2483, 2652, 2665, 2788, 2865, 3060, 3198, 3247, 3315, 3438, 3485, 3690, 3820, 3978, 4182, 4420, 4797, 4966, 5330, 5730, 6273, 6396, 6494, 6630, 6876, 6970, 7380, 7449, 7831, 7956, 7995, 8364, 8595, 9061, 9594, 9741, 9932, 9945, 10455, 10660, 11460, 12415, 12546, 12988, 13260, 13940, 14898, 15662, 15990, 16235, 17190, 18122, 19188, 19482, 19890, 20910, 22347, 23493, 23985, 24830, 25092, 27183, 29223, 29796, 31324, 31365, 31980, 32470, 34380, 36244, 37245, 38964, 39155, 39780, 41820, 42211, 44694, 45305, 46986, 47970, 48705, 49660, 54366, 58446, 62730, 64940, 70479, 74490, 78310, 81549, 84422, 89388, 90610, 93972, 95940, 97410, 101803, 108732, 111735, 116892, 117465, 125460, 126633, 133127, 135915, 140958, 146115, 148980, 156620, 163098, 168844, 181220, 194820, 203606, 211055, 223470, 234930, 253266, 266254, 271830, 281916, 292230, 305409, 326196, 352395, 379899, 399381, 407212, 407745, 422110, 446940, 469860, 506532, 509015, 532508, 543660, 584460, 610818, 633165, 665635, 704790, 759798, 798762, 815490, 844220, 916227, 1018030, 1198143, 1221636, 1266330, 1331270, 1409580, 1519596, 1527045, 1597524, 1630980, 1730651, 1832454, 1899495, 1996905, 2036060, 2396286, 2532660, 2662540, 3054090, 3461302, 3664908, 3798990, 3993810, 4581135, 4792572, 5191953, 5990715, 6108180, 6922604, 7597980, 7987620, 8653255, 9162270, 10383906, 11981430, 15575859, 17306510, 18324540, 20767812, 23962860, 25959765, 31151718, 34613020, 51919530, 62303436, 77879295, 103839060, 155758590, 311517180]

約数ペア:

[(1, 311517180), (2, 155758590), (3, 103839060), (4, 77879295), (5, 62303436), (6, 51919530), (9, 34613020), (10, 31151718), (12, 25959765), (13, 23962860), (15, 20767812), (17, 18324540), (18, 17306510), (20, 15575859), (26, 11981430), (30, 10383906), (34, 9162270), (36, 8653255), (39, 7987620), (41, 7597980), (45, 6922604), (51, 6108180), (52, 5990715), (60, 5191953), (65, 4792572), (68, 4581135), (78, 3993810), (82, 3798990), (85, 3664908), (90, 3461302), (102, 3054090), (117, 2662540), (123, 2532660), (130, 2396286), (153, 2036060), (156, 1996905), (164, 1899495), (170, 1832454), (180, 1730651), (191, 1630980), (195, 1597524), (204, 1527045), (205, 1519596), (221, 1409580), (234, 1331270), (246, 1266330), (255, 1221636), (260, 1198143), (306, 1018030), (340, 916227), (369, 844220), (382, 815490), (390, 798762), (410, 759798), (442, 704790), (468, 665635), (492, 633165), (510, 610818), (533, 584460), (573, 543660), (585, 532508), (612, 509015), (615, 506532), (663, 469860), (697, 446940), (738, 422110), (764, 407745), (765, 407212), (780, 399381), (820, 379899), (884, 352395), (955, 326196), (1020, 305409), (1066, 292230), (1105, 281916), (1146, 271830), (1170, 266254), (1230, 253266), (1326, 234930), (1394, 223470), (1476, 211055), (1530, 203606), (1599, 194820), (1719, 181220), (1845, 168844), (1910, 163098), (1989, 156620), (2091, 148980), (2132, 146115), (2210, 140958), (2292, 135915), (2340, 133127), (2460, 126633), (2483, 125460), (2652, 117465), (2665, 116892), (2788, 111735), (2865, 108732), (3060, 101803), (3198, 97410), (3247, 95940), (3315, 93972), (3438, 90610), (3485, 89388), (3690, 84422), (3820, 81549), (3978, 78310), (4182, 74490), (4420, 70479), (4797, 64940), (4966, 62730), (5330, 58446), (5730, 54366), (6273, 49660), (6396, 48705), (6494, 47970), (6630, 46986), (6876, 45305), (6970, 44694), (7380, 42211), (7449, 41820), (7831, 39780), (7956, 39155), (7995, 38964), (8364, 37245), (8595, 36244), (9061, 34380), (9594, 32470), (9741, 31980), (9932, 31365), (9945, 31324), (10455, 29796), (10660, 29223), (11460, 27183), (12415, 25092), (12546, 24830), (12988, 23985), (13260, 23493), (13940, 22347), (14898, 20910), (15662, 19890), (15990, 19482), (16235, 19188), (17190, 18122)]