78875550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 232224720

約数和(自身を除く): 153349170

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 97, 117, 130, 139, 150, 194, 195, 225, 234, 278, 291, 325, 390, 417, 450, 485, 582, 585, 650, 695, 834, 873, 970, 975, 1170, 1251, 1261, 1390, 1455, 1746, 1807, 1950, 2085, 2425, 2502, 2522, 2910, 2925, 3475, 3614, 3783, 4170, 4365, 4850, 5421, 5850, 6255, 6305, 6950, 7275, 7566, 8730, 9035, 10425, 10842, 11349, 12510, 12610, 13483, 14550, 16263, 18070, 18915, 20850, 21825, 22698, 26966, 27105, 31275, 31525, 32526, 37830, 40449, 43650, 45175, 54210, 56745, 62550, 63050, 67415, 80898, 81315, 90350, 94575, 113490, 121347, 134830, 135525, 162630, 175279, 189150, 202245, 242694, 271050, 283725, 337075, 350558, 404490, 406575, 525837, 567450, 606735, 674150, 813150, 876395, 1011225, 1051674, 1213470, 1577511, 1752790, 2022450, 2629185, 3033675, 3155022, 4381975, 5258370, 6067350, 7887555, 8763950, 13145925, 15775110, 26291850, 39437775, 78875550]

約数ペア:

[(1, 78875550), (2, 39437775), (3, 26291850), (5, 15775110), (6, 13145925), (9, 8763950), (10, 7887555), (13, 6067350), (15, 5258370), (18, 4381975), (25, 3155022), (26, 3033675), (30, 2629185), (39, 2022450), (45, 1752790), (50, 1577511), (65, 1213470), (75, 1051674), (78, 1011225), (90, 876395), (97, 813150), (117, 674150), (130, 606735), (139, 567450), (150, 525837), (194, 406575), (195, 404490), (225, 350558), (234, 337075), (278, 283725), (291, 271050), (325, 242694), (390, 202245), (417, 189150), (450, 175279), (485, 162630), (582, 135525), (585, 134830), (650, 121347), (695, 113490), (834, 94575), (873, 90350), (970, 81315), (975, 80898), (1170, 67415), (1251, 63050), (1261, 62550), (1390, 56745), (1455, 54210), (1746, 45175), (1807, 43650), (1950, 40449), (2085, 37830), (2425, 32526), (2502, 31525), (2522, 31275), (2910, 27105), (2925, 26966), (3475, 22698), (3614, 21825), (3783, 20850), (4170, 18915), (4365, 18070), (4850, 16263), (5421, 14550), (5850, 13483), (6255, 12610), (6305, 12510), (6950, 11349), (7275, 10842), (7566, 10425), (8730, 9035)]