128382979140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3389}}^1\times {\mathrm{16189}}^1$

素因数の和:19606

約数の個数: 144

約数和(自身を含む): 419534060400

約数和(自身を除く): 291151081260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3389, 6778, 10167, 13556, 16189, 16945, 20334, 30501, 32378, 33890, 40668, 44057, 48567, 50835, 61002, 64756, 67780, 80945, 88114, 97134, 101670, 122004, 132171, 145701, 152505, 161890, 176228, 194268, 203340, 210457, 220285, 242835, 264342, 291402, 305010, 323780, 396513, 420914, 440570, 485670, 528684, 582804, 610020, 631371, 660855, 728505, 793026, 841828, 881140, 971340, 1052285, 1262742, 1321710, 1457010, 1586052, 1894113, 1982565, 2104570, 2525484, 2643420, 2914020, 3156855, 3788226, 3965130, 4209140, 6313710, 7576452, 7930260, 9470565, 12627420, 18941130, 37882260, 54864521, 109729042, 164593563, 219458084, 274322605, 329187126, 493780689, 548645210, 658374252, 713238773, 822967815, 987561378, 1097290420, 1426477546, 1645935630, 1975122756, 2139716319, 2468903445, 2852955092, 3291871260, 3566193865, 4279432638, 4937806890, 6419148957, 7132387730, 8558865276, 9875613780, 10698581595, 12838297914, 14264775460, 21397163190, 25676595828, 32095744785, 42794326380, 64191489570, 128382979140]

約数ペア:

[(1, 128382979140), (2, 64191489570), (3, 42794326380), (4, 32095744785), (5, 25676595828), (6, 21397163190), (9, 14264775460), (10, 12838297914), (12, 10698581595), (13, 9875613780), (15, 8558865276), (18, 7132387730), (20, 6419148957), (26, 4937806890), (30, 4279432638), (36, 3566193865), (39, 3291871260), (45, 2852955092), (52, 2468903445), (60, 2139716319), (65, 1975122756), (78, 1645935630), (90, 1426477546), (117, 1097290420), (130, 987561378), (156, 822967815), (180, 713238773), (195, 658374252), (234, 548645210), (260, 493780689), (390, 329187126), (468, 274322605), (585, 219458084), (780, 164593563), (1170, 109729042), (2340, 54864521), (3389, 37882260), (6778, 18941130), (10167, 12627420), (13556, 9470565), (16189, 7930260), (16945, 7576452), (20334, 6313710), (30501, 4209140), (32378, 3965130), (33890, 3788226), (40668, 3156855), (44057, 2914020), (48567, 2643420), (50835, 2525484), (61002, 2104570), (64756, 1982565), (67780, 1894113), (80945, 1586052), (88114, 1457010), (97134, 1321710), (101670, 1262742), (122004, 1052285), (132171, 971340), (145701, 881140), (152505, 841828), (161890, 793026), (176228, 728505), (194268, 660855), (203340, 631371), (210457, 610020), (220285, 582804), (242835, 528684), (264342, 485670), (291402, 440570), (305010, 420914), (323780, 396513)]