168421890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 256

約数和(自身を含む): 557383680

約数和(自身を除く): 388961790

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 19, 21, 26, 30, 34, 35, 38, 39, 42, 51, 57, 65, 70, 78, 85, 91, 95, 102, 105, 114, 119, 130, 133, 170, 182, 190, 191, 195, 210, 221, 238, 247, 255, 266, 273, 285, 323, 357, 382, 390, 399, 442, 455, 494, 510, 546, 570, 573, 595, 646, 663, 665, 714, 741, 798, 910, 955, 969, 1105, 1146, 1190, 1235, 1326, 1330, 1337, 1365, 1482, 1547, 1615, 1729, 1785, 1910, 1938, 1995, 2210, 2261, 2470, 2483, 2674, 2730, 2865, 3094, 3230, 3247, 3315, 3458, 3570, 3629, 3705, 3990, 4011, 4199, 4522, 4641, 4845, 4966, 5187, 5730, 6494, 6630, 6685, 6783, 7258, 7410, 7449, 7735, 8022, 8398, 8645, 9282, 9690, 9741, 10374, 10887, 11305, 12415, 12597, 13370, 13566, 14898, 15470, 16235, 17290, 17381, 18145, 19482, 20055, 20995, 21774, 22610, 22729, 23205, 24830, 25194, 25403, 25935, 29393, 32470, 33915, 34762, 36290, 37245, 40110, 41990, 42211, 45458, 46410, 47177, 48705, 50806, 51870, 52143, 54435, 58786, 61693, 62985, 67830, 68187, 74490, 76209, 84422, 86905, 88179, 94354, 97410, 104286, 108870, 113645, 123386, 125970, 126633, 127015, 136374, 141531, 146965, 152418, 173810, 176358, 185079, 211055, 227290, 235885, 253266, 254030, 260715, 283062, 293930, 295477, 308465, 330239, 340935, 370158, 381045, 422110, 431851, 440895, 471770, 521430, 590954, 616930, 633165, 660478, 681870, 707655, 762090, 802009, 863702, 881790, 886431, 925395, 990717, 1266330, 1295553, 1415310, 1477385, 1604018, 1651195, 1772862, 1850790, 1981434, 2159255, 2406027, 2591106, 2954770, 3302390, 4010045, 4318510, 4432155, 4812054, 4953585, 5614063, 6477765, 8020090, 8864310, 9907170, 11228126, 12030135, 12955530, 16842189, 24060270, 28070315, 33684378, 56140630, 84210945, 168421890]

約数ペア:

[(1, 168421890), (2, 84210945), (3, 56140630), (5, 33684378), (6, 28070315), (7, 24060270), (10, 16842189), (13, 12955530), (14, 12030135), (15, 11228126), (17, 9907170), (19, 8864310), (21, 8020090), (26, 6477765), (30, 5614063), (34, 4953585), (35, 4812054), (38, 4432155), (39, 4318510), (42, 4010045), (51, 3302390), (57, 2954770), (65, 2591106), (70, 2406027), (78, 2159255), (85, 1981434), (91, 1850790), (95, 1772862), (102, 1651195), (105, 1604018), (114, 1477385), (119, 1415310), (130, 1295553), (133, 1266330), (170, 990717), (182, 925395), (190, 886431), (191, 881790), (195, 863702), (210, 802009), (221, 762090), (238, 707655), (247, 681870), (255, 660478), (266, 633165), (273, 616930), (285, 590954), (323, 521430), (357, 471770), (382, 440895), (390, 431851), (399, 422110), (442, 381045), (455, 370158), (494, 340935), (510, 330239), (546, 308465), (570, 295477), (573, 293930), (595, 283062), (646, 260715), (663, 254030), (665, 253266), (714, 235885), (741, 227290), (798, 211055), (910, 185079), (955, 176358), (969, 173810), (1105, 152418), (1146, 146965), (1190, 141531), (1235, 136374), (1326, 127015), (1330, 126633), (1337, 125970), (1365, 123386), (1482, 113645), (1547, 108870), (1615, 104286), (1729, 97410), (1785, 94354), (1910, 88179), (1938, 86905), (1995, 84422), (2210, 76209), (2261, 74490), (2470, 68187), (2483, 67830), (2674, 62985), (2730, 61693), (2865, 58786), (3094, 54435), (3230, 52143), (3247, 51870), (3315, 50806), (3458, 48705), (3570, 47177), (3629, 46410), (3705, 45458), (3990, 42211), (4011, 41990), (4199, 40110), (4522, 37245), (4641, 36290), (4845, 34762), (4966, 33915), (5187, 32470), (5730, 29393), (6494, 25935), (6630, 25403), (6685, 25194), (6783, 24830), (7258, 23205), (7410, 22729), (7449, 22610), (7735, 21774), (8022, 20995), (8398, 20055), (8645, 19482), (9282, 18145), (9690, 17381), (9741, 17290), (10374, 16235), (10887, 15470), (11305, 14898), (12415, 13566), (12597, 13370)]