77942640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^2$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 250327728

約数和(自身を除く): 172385088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 89, 120, 123, 164, 178, 205, 240, 246, 267, 328, 356, 410, 445, 492, 534, 615, 656, 712, 820, 890, 984, 1068, 1230, 1335, 1424, 1640, 1780, 1968, 2136, 2460, 2670, 3280, 3560, 3649, 4272, 4920, 5340, 7120, 7298, 7921, 9840, 10680, 10947, 14596, 15842, 18245, 21360, 21894, 23763, 29192, 31684, 36490, 39605, 43788, 47526, 54735, 58384, 63368, 72980, 79210, 87576, 95052, 109470, 118815, 126736, 145960, 158420, 175152, 190104, 218940, 237630, 291920, 316840, 324761, 380208, 437880, 475260, 633680, 649522, 875760, 950520, 974283, 1299044, 1623805, 1901040, 1948566, 2598088, 3247610, 3897132, 4871415, 5196176, 6495220, 7794264, 9742830, 12990440, 15588528, 19485660, 25980880, 38971320, 77942640]

約数ペア:

[(1, 77942640), (2, 38971320), (3, 25980880), (4, 19485660), (5, 15588528), (6, 12990440), (8, 9742830), (10, 7794264), (12, 6495220), (15, 5196176), (16, 4871415), (20, 3897132), (24, 3247610), (30, 2598088), (40, 1948566), (41, 1901040), (48, 1623805), (60, 1299044), (80, 974283), (82, 950520), (89, 875760), (120, 649522), (123, 633680), (164, 475260), (178, 437880), (205, 380208), (240, 324761), (246, 316840), (267, 291920), (328, 237630), (356, 218940), (410, 190104), (445, 175152), (492, 158420), (534, 145960), (615, 126736), (656, 118815), (712, 109470), (820, 95052), (890, 87576), (984, 79210), (1068, 72980), (1230, 63368), (1335, 58384), (1424, 54735), (1640, 47526), (1780, 43788), (1968, 39605), (2136, 36490), (2460, 31684), (2670, 29192), (3280, 23763), (3560, 21894), (3649, 21360), (4272, 18245), (4920, 15842), (5340, 14596), (7120, 10947), (7298, 10680), (7921, 9840)]