72405060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 254016000

約数和(自身を除く): 181610940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 89, 91, 105, 130, 140, 149, 156, 178, 182, 195, 210, 260, 267, 273, 298, 356, 364, 390, 420, 445, 447, 455, 534, 546, 596, 623, 745, 780, 890, 894, 910, 1043, 1068, 1092, 1157, 1246, 1335, 1365, 1490, 1780, 1788, 1820, 1869, 1937, 2086, 2235, 2314, 2492, 2670, 2730, 2980, 3115, 3129, 3471, 3738, 3874, 4172, 4470, 4628, 5215, 5340, 5460, 5785, 5811, 6230, 6258, 6942, 7476, 7748, 8099, 8940, 9345, 9685, 10430, 11570, 11622, 12460, 12516, 13261, 13559, 13884, 15645, 16198, 17355, 18690, 19370, 20860, 23140, 23244, 24297, 26522, 27118, 29055, 31290, 32396, 34710, 37380, 38740, 39783, 40495, 40677, 48594, 53044, 54236, 58110, 62580, 66305, 67795, 69420, 79566, 80990, 81354, 92827, 97188, 116220, 121485, 132610, 135590, 159132, 161980, 162708, 172393, 185654, 198915, 203385, 242970, 265220, 271180, 278481, 344786, 371308, 397830, 406770, 464135, 485940, 517179, 556962, 689572, 795660, 813540, 861965, 928270, 1034358, 1113924, 1206751, 1392405, 1723930, 1856540, 2068716, 2413502, 2585895, 2784810, 3447860, 3620253, 4827004, 5171790, 5569620, 6033755, 7240506, 10343580, 12067510, 14481012, 18101265, 24135020, 36202530, 72405060]

約数ペア:

[(1, 72405060), (2, 36202530), (3, 24135020), (4, 18101265), (5, 14481012), (6, 12067510), (7, 10343580), (10, 7240506), (12, 6033755), (13, 5569620), (14, 5171790), (15, 4827004), (20, 3620253), (21, 3447860), (26, 2784810), (28, 2585895), (30, 2413502), (35, 2068716), (39, 1856540), (42, 1723930), (52, 1392405), (60, 1206751), (65, 1113924), (70, 1034358), (78, 928270), (84, 861965), (89, 813540), (91, 795660), (105, 689572), (130, 556962), (140, 517179), (149, 485940), (156, 464135), (178, 406770), (182, 397830), (195, 371308), (210, 344786), (260, 278481), (267, 271180), (273, 265220), (298, 242970), (356, 203385), (364, 198915), (390, 185654), (420, 172393), (445, 162708), (447, 161980), (455, 159132), (534, 135590), (546, 132610), (596, 121485), (623, 116220), (745, 97188), (780, 92827), (890, 81354), (894, 80990), (910, 79566), (1043, 69420), (1068, 67795), (1092, 66305), (1157, 62580), (1246, 58110), (1335, 54236), (1365, 53044), (1490, 48594), (1780, 40677), (1788, 40495), (1820, 39783), (1869, 38740), (1937, 37380), (2086, 34710), (2235, 32396), (2314, 31290), (2492, 29055), (2670, 27118), (2730, 26522), (2980, 24297), (3115, 23244), (3129, 23140), (3471, 20860), (3738, 19370), (3874, 18690), (4172, 17355), (4470, 16198), (4628, 15645), (5215, 13884), (5340, 13559), (5460, 13261), (5785, 12516), (5811, 12460), (6230, 11622), (6258, 11570), (6942, 10430), (7476, 9685), (7748, 9345), (8099, 8940)]