77971860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 254270016

約数和(自身を除く): 176298156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 83, 85, 90, 102, 153, 166, 170, 180, 204, 249, 255, 306, 307, 332, 340, 415, 498, 510, 612, 614, 747, 765, 830, 921, 996, 1020, 1228, 1245, 1411, 1494, 1530, 1535, 1660, 1842, 2490, 2763, 2822, 2988, 3060, 3070, 3684, 3735, 4233, 4605, 4980, 5219, 5526, 5644, 6140, 7055, 7470, 8466, 9210, 10438, 11052, 12699, 13815, 14110, 14940, 15657, 16932, 18420, 20876, 21165, 25398, 25481, 26095, 27630, 28220, 31314, 42330, 46971, 50796, 50962, 52190, 55260, 62628, 63495, 76443, 78285, 84660, 93942, 101924, 104380, 126990, 127405, 152886, 156570, 187884, 229329, 234855, 253980, 254810, 305772, 313140, 382215, 433177, 458658, 469710, 509620, 764430, 866354, 917316, 939420, 1146645, 1299531, 1528860, 1732708, 2165885, 2293290, 2599062, 3898593, 4331770, 4586580, 5198124, 6497655, 7797186, 8663540, 12995310, 15594372, 19492965, 25990620, 38985930, 77971860]

約数ペア:

[(1, 77971860), (2, 38985930), (3, 25990620), (4, 19492965), (5, 15594372), (6, 12995310), (9, 8663540), (10, 7797186), (12, 6497655), (15, 5198124), (17, 4586580), (18, 4331770), (20, 3898593), (30, 2599062), (34, 2293290), (36, 2165885), (45, 1732708), (51, 1528860), (60, 1299531), (68, 1146645), (83, 939420), (85, 917316), (90, 866354), (102, 764430), (153, 509620), (166, 469710), (170, 458658), (180, 433177), (204, 382215), (249, 313140), (255, 305772), (306, 254810), (307, 253980), (332, 234855), (340, 229329), (415, 187884), (498, 156570), (510, 152886), (612, 127405), (614, 126990), (747, 104380), (765, 101924), (830, 93942), (921, 84660), (996, 78285), (1020, 76443), (1228, 63495), (1245, 62628), (1411, 55260), (1494, 52190), (1530, 50962), (1535, 50796), (1660, 46971), (1842, 42330), (2490, 31314), (2763, 28220), (2822, 27630), (2988, 26095), (3060, 25481), (3070, 25398), (3684, 21165), (3735, 20876), (4233, 18420), (4605, 16932), (4980, 15657), (5219, 14940), (5526, 14110), (5644, 13815), (6140, 12699), (7055, 11052), (7470, 10438), (8466, 9210)]