1989938340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 240

約数和(自身を含む): 6837322800

約数和(自身を除く): 4847384460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 78, 81, 90, 108, 117, 122, 130, 135, 156, 162, 180, 183, 195, 234, 244, 260, 270, 305, 324, 351, 366, 390, 405, 468, 540, 549, 585, 610, 702, 732, 780, 793, 810, 915, 1053, 1098, 1170, 1220, 1404, 1549, 1586, 1620, 1647, 1755, 1830, 2106, 2196, 2340, 2379, 2745, 3098, 3172, 3294, 3510, 3660, 3965, 4212, 4647, 4758, 4941, 5265, 5490, 6196, 6588, 7020, 7137, 7745, 7930, 8235, 9294, 9516, 9882, 10530, 10980, 11895, 13941, 14274, 15490, 15860, 16470, 18588, 19764, 20137, 21060, 21411, 23235, 23790, 24705, 27882, 28548, 30980, 32940, 35685, 40274, 41823, 42822, 46470, 47580, 49410, 55764, 60411, 64233, 69705, 71370, 80548, 83646, 85644, 92940, 94489, 98820, 100685, 107055, 120822, 125469, 128466, 139410, 142740, 167292, 181233, 188978, 201370, 209115, 214110, 241644, 250938, 256932, 278820, 283467, 302055, 321165, 362466, 377956, 402740, 418230, 428220, 472445, 501876, 543699, 566934, 604110, 627345, 642330, 724932, 836460, 850401, 906165, 944890, 1087398, 1133868, 1208220, 1228357, 1254690, 1284660, 1417335, 1631097, 1700802, 1812330, 1889780, 2174796, 2456714, 2509380, 2551203, 2718495, 2834670, 3262194, 3401604, 3624660, 3685071, 4252005, 4913428, 5102406, 5436990, 5669340, 6141785, 6524388, 7370142, 7653609, 8155485, 8504010, 10204812, 10873980, 11055213, 12283570, 12756015, 14740284, 15307218, 16310970, 17008020, 18425355, 22110426, 24567140, 25512030, 30614436, 32621940, 33165639, 36850710, 38268045, 44220852, 51024060, 55276065, 66331278, 73701420, 76536090, 99496917, 110552130, 132662556, 153072180, 165828195, 198993834, 221104260, 331656390, 397987668, 497484585, 663312780, 994969170, 1989938340]

約数ペア:

[(1, 1989938340), (2, 994969170), (3, 663312780), (4, 497484585), (5, 397987668), (6, 331656390), (9, 221104260), (10, 198993834), (12, 165828195), (13, 153072180), (15, 132662556), (18, 110552130), (20, 99496917), (26, 76536090), (27, 73701420), (30, 66331278), (36, 55276065), (39, 51024060), (45, 44220852), (52, 38268045), (54, 36850710), (60, 33165639), (61, 32621940), (65, 30614436), (78, 25512030), (81, 24567140), (90, 22110426), (108, 18425355), (117, 17008020), (122, 16310970), (130, 15307218), (135, 14740284), (156, 12756015), (162, 12283570), (180, 11055213), (183, 10873980), (195, 10204812), (234, 8504010), (244, 8155485), (260, 7653609), (270, 7370142), (305, 6524388), (324, 6141785), (351, 5669340), (366, 5436990), (390, 5102406), (405, 4913428), (468, 4252005), (540, 3685071), (549, 3624660), (585, 3401604), (610, 3262194), (702, 2834670), (732, 2718495), (780, 2551203), (793, 2509380), (810, 2456714), (915, 2174796), (1053, 1889780), (1098, 1812330), (1170, 1700802), (1220, 1631097), (1404, 1417335), (1549, 1284660), (1586, 1254690), (1620, 1228357), (1647, 1208220), (1755, 1133868), (1830, 1087398), (2106, 944890), (2196, 906165), (2340, 850401), (2379, 836460), (2745, 724932), (3098, 642330), (3172, 627345), (3294, 604110), (3510, 566934), (3660, 543699), (3965, 501876), (4212, 472445), (4647, 428220), (4758, 418230), (4941, 402740), (5265, 377956), (5490, 362466), (6196, 321165), (6588, 302055), (7020, 283467), (7137, 278820), (7745, 256932), (7930, 250938), (8235, 241644), (9294, 214110), (9516, 209115), (9882, 201370), (10530, 188978), (10980, 181233), (11895, 167292), (13941, 142740), (14274, 139410), (15490, 128466), (15860, 125469), (16470, 120822), (18588, 107055), (19764, 100685), (20137, 98820), (21060, 94489), (21411, 92940), (23235, 85644), (23790, 83646), (24705, 80548), (27882, 71370), (28548, 69705), (30980, 64233), (32940, 60411), (35685, 55764), (40274, 49410), (41823, 47580), (42822, 46470)]