77661780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 268531200

約数和(自身を除く): 190869420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 73, 84, 85, 102, 105, 119, 140, 146, 149, 170, 204, 210, 219, 238, 255, 292, 298, 340, 357, 365, 420, 438, 447, 476, 510, 511, 595, 596, 714, 730, 745, 876, 894, 1020, 1022, 1043, 1095, 1190, 1241, 1428, 1460, 1490, 1533, 1785, 1788, 2044, 2086, 2190, 2235, 2380, 2482, 2533, 2555, 2980, 3066, 3129, 3570, 3723, 4172, 4380, 4470, 4964, 5066, 5110, 5215, 6132, 6205, 6258, 7140, 7446, 7599, 7665, 8687, 8940, 10132, 10220, 10430, 10877, 12410, 12516, 12665, 14892, 15198, 15330, 15645, 17374, 17731, 18615, 20860, 21754, 24820, 25330, 26061, 30396, 30660, 31290, 32631, 34748, 35462, 37230, 37995, 43435, 43508, 50660, 52122, 53193, 54385, 62580, 65262, 70924, 74460, 75990, 76139, 86870, 88655, 104244, 106386, 108770, 130305, 130524, 151980, 152278, 163155, 173740, 177310, 184909, 212772, 217540, 228417, 260610, 265965, 304556, 326310, 354620, 369818, 380695, 456834, 521220, 531930, 554727, 652620, 739636, 761390, 913668, 924545, 1063860, 1109454, 1142085, 1294363, 1522780, 1849090, 2218908, 2284170, 2588726, 2773635, 3698180, 3883089, 4568340, 5177452, 5547270, 6471815, 7766178, 11094540, 12943630, 15532356, 19415445, 25887260, 38830890, 77661780]

約数ペア:

[(1, 77661780), (2, 38830890), (3, 25887260), (4, 19415445), (5, 15532356), (6, 12943630), (7, 11094540), (10, 7766178), (12, 6471815), (14, 5547270), (15, 5177452), (17, 4568340), (20, 3883089), (21, 3698180), (28, 2773635), (30, 2588726), (34, 2284170), (35, 2218908), (42, 1849090), (51, 1522780), (60, 1294363), (68, 1142085), (70, 1109454), (73, 1063860), (84, 924545), (85, 913668), (102, 761390), (105, 739636), (119, 652620), (140, 554727), (146, 531930), (149, 521220), (170, 456834), (204, 380695), (210, 369818), (219, 354620), (238, 326310), (255, 304556), (292, 265965), (298, 260610), (340, 228417), (357, 217540), (365, 212772), (420, 184909), (438, 177310), (447, 173740), (476, 163155), (510, 152278), (511, 151980), (595, 130524), (596, 130305), (714, 108770), (730, 106386), (745, 104244), (876, 88655), (894, 86870), (1020, 76139), (1022, 75990), (1043, 74460), (1095, 70924), (1190, 65262), (1241, 62580), (1428, 54385), (1460, 53193), (1490, 52122), (1533, 50660), (1785, 43508), (1788, 43435), (2044, 37995), (2086, 37230), (2190, 35462), (2235, 34748), (2380, 32631), (2482, 31290), (2533, 30660), (2555, 30396), (2980, 26061), (3066, 25330), (3129, 24820), (3570, 21754), (3723, 20860), (4172, 18615), (4380, 17731), (4470, 17374), (4964, 15645), (5066, 15330), (5110, 15198), (5215, 14892), (6132, 12665), (6205, 12516), (6258, 12410), (7140, 10877), (7446, 10430), (7599, 10220), (7665, 10132), (8687, 8940)]