28676870820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{16189}}^1$

素因数の和:16974

約数の個数: 144

約数和(自身を含む): 93807320880

約数和(自身を除く): 65130450060

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, 757, 780, 1170, 1514, 2271, 2340, 3028, 3785, 4542, 6813, 7570, 9084, 9841, 11355, 13626, 15140, 16189, 19682, 22710, 27252, 29523, 32378, 34065, 39364, 45420, 48567, 49205, 59046, 64756, 68130, 80945, 88569, 97134, 98410, 118092, 136260, 145701, 147615, 161890, 177138, 194268, 196820, 210457, 242835, 291402, 295230, 323780, 354276, 420914, 442845, 485670, 582804, 590460, 631371, 728505, 841828, 885690, 971340, 1052285, 1262742, 1457010, 1771380, 1894113, 2104570, 2525484, 2914020, 3156855, 3788226, 4209140, 6313710, 7576452, 9470565, 12255073, 12627420, 18941130, 24510146, 36765219, 37882260, 49020292, 61275365, 73530438, 110295657, 122550730, 147060876, 159315949, 183826095, 220591314, 245101460, 318631898, 367652190, 441182628, 477947847, 551478285, 637263796, 735304380, 796579745, 955895694, 1102956570, 1433843541, 1593159490, 1911791388, 2205913140, 2389739235, 2867687082, 3186318980, 4779478470, 5735374164, 7169217705, 9558956940, 14338435410, 28676870820]

約数ペア:

[(1, 28676870820), (2, 14338435410), (3, 9558956940), (4, 7169217705), (5, 5735374164), (6, 4779478470), (9, 3186318980), (10, 2867687082), (12, 2389739235), (13, 2205913140), (15, 1911791388), (18, 1593159490), (20, 1433843541), (26, 1102956570), (30, 955895694), (36, 796579745), (39, 735304380), (45, 637263796), (52, 551478285), (60, 477947847), (65, 441182628), (78, 367652190), (90, 318631898), (117, 245101460), (130, 220591314), (156, 183826095), (180, 159315949), (195, 147060876), (234, 122550730), (260, 110295657), (390, 73530438), (468, 61275365), (585, 49020292), (757, 37882260), (780, 36765219), (1170, 24510146), (1514, 18941130), (2271, 12627420), (2340, 12255073), (3028, 9470565), (3785, 7576452), (4542, 6313710), (6813, 4209140), (7570, 3788226), (9084, 3156855), (9841, 2914020), (11355, 2525484), (13626, 2104570), (15140, 1894113), (16189, 1771380), (19682, 1457010), (22710, 1262742), (27252, 1052285), (29523, 971340), (32378, 885690), (34065, 841828), (39364, 728505), (45420, 631371), (48567, 590460), (49205, 582804), (59046, 485670), (64756, 442845), (68130, 420914), (80945, 354276), (88569, 323780), (97134, 295230), (98410, 291402), (118092, 242835), (136260, 210457), (145701, 196820), (147615, 194268), (161890, 177138)]