720044520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1492

約数の個数: 256

約数和(自身を含む): 2594592000

約数和(自身を除く): 1874547480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 34, 38, 39, 40, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 104, 114, 120, 130, 136, 152, 156, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 312, 323, 340, 380, 390, 408, 442, 456, 494, 510, 520, 570, 646, 663, 680, 741, 760, 780, 884, 969, 988, 1020, 1105, 1140, 1235, 1292, 1326, 1429, 1482, 1560, 1615, 1768, 1938, 1976, 2040, 2210, 2280, 2470, 2584, 2652, 2858, 2964, 3230, 3315, 3705, 3876, 4199, 4287, 4420, 4845, 4940, 5304, 5716, 5928, 6460, 6630, 7145, 7410, 7752, 8398, 8574, 8840, 9690, 9880, 11432, 12597, 12920, 13260, 14290, 14820, 16796, 17148, 18577, 19380, 20995, 21435, 24293, 25194, 26520, 27151, 28580, 29640, 33592, 34296, 37154, 38760, 41990, 42870, 48586, 50388, 54302, 55731, 57160, 62985, 72879, 74308, 81453, 83980, 85740, 92885, 97172, 100776, 108604, 111462, 121465, 125970, 135755, 145758, 148616, 162906, 167960, 171480, 185770, 194344, 217208, 222924, 242930, 251940, 271510, 278655, 291516, 315809, 325812, 352963, 364395, 371540, 407265, 445848, 461567, 485860, 503880, 543020, 557310, 583032, 631618, 651624, 705926, 728790, 743080, 814530, 923134, 947427, 971720, 1058889, 1086040, 1114620, 1263236, 1384701, 1411852, 1457580, 1579045, 1629060, 1764815, 1846268, 1894854, 2117778, 2229240, 2307835, 2526472, 2769402, 2823704, 2915160, 3158090, 3258120, 3529630, 3692536, 3789708, 4235556, 4615670, 4737135, 5294445, 5538804, 6000371, 6316180, 6923505, 7059260, 7579416, 8471112, 9231340, 9474270, 10588890, 11077608, 12000742, 12632360, 13847010, 14118520, 18001113, 18462680, 18948540, 21177780, 24001484, 27694020, 30001855, 36002226, 37897080, 42355560, 48002968, 55388040, 60003710, 72004452, 90005565, 120007420, 144008904, 180011130, 240014840, 360022260, 720044520]

約数ペア:

[(1, 720044520), (2, 360022260), (3, 240014840), (4, 180011130), (5, 144008904), (6, 120007420), (8, 90005565), (10, 72004452), (12, 60003710), (13, 55388040), (15, 48002968), (17, 42355560), (19, 37897080), (20, 36002226), (24, 30001855), (26, 27694020), (30, 24001484), (34, 21177780), (38, 18948540), (39, 18462680), (40, 18001113), (51, 14118520), (52, 13847010), (57, 12632360), (60, 12000742), (65, 11077608), (68, 10588890), (76, 9474270), (78, 9231340), (85, 8471112), (95, 7579416), (102, 7059260), (104, 6923505), (114, 6316180), (120, 6000371), (130, 5538804), (136, 5294445), (152, 4737135), (156, 4615670), (170, 4235556), (190, 3789708), (195, 3692536), (204, 3529630), (221, 3258120), (228, 3158090), (247, 2915160), (255, 2823704), (260, 2769402), (285, 2526472), (312, 2307835), (323, 2229240), (340, 2117778), (380, 1894854), (390, 1846268), (408, 1764815), (442, 1629060), (456, 1579045), (494, 1457580), (510, 1411852), (520, 1384701), (570, 1263236), (646, 1114620), (663, 1086040), (680, 1058889), (741, 971720), (760, 947427), (780, 923134), (884, 814530), (969, 743080), (988, 728790), (1020, 705926), (1105, 651624), (1140, 631618), (1235, 583032), (1292, 557310), (1326, 543020), (1429, 503880), (1482, 485860), (1560, 461567), (1615, 445848), (1768, 407265), (1938, 371540), (1976, 364395), (2040, 352963), (2210, 325812), (2280, 315809), (2470, 291516), (2584, 278655), (2652, 271510), (2858, 251940), (2964, 242930), (3230, 222924), (3315, 217208), (3705, 194344), (3876, 185770), (4199, 171480), (4287, 167960), (4420, 162906), (4845, 148616), (4940, 145758), (5304, 135755), (5716, 125970), (5928, 121465), (6460, 111462), (6630, 108604), (7145, 100776), (7410, 97172), (7752, 92885), (8398, 85740), (8574, 83980), (8840, 81453), (9690, 74308), (9880, 72879), (11432, 62985), (12597, 57160), (12920, 55731), (13260, 54302), (14290, 50388), (14820, 48586), (16796, 42870), (17148, 41990), (18577, 38760), (19380, 37154), (20995, 34296), (21435, 33592), (24293, 29640), (25194, 28580), (26520, 27151)]