77700880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 209986560

約数和(自身を除く): 132285680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 80, 85, 95, 97, 124, 136, 152, 155, 170, 190, 194, 248, 272, 304, 310, 323, 340, 380, 388, 485, 496, 527, 589, 620, 646, 680, 760, 776, 970, 1054, 1178, 1240, 1292, 1360, 1520, 1552, 1615, 1649, 1843, 1940, 2108, 2356, 2480, 2584, 2635, 2945, 3007, 3230, 3298, 3686, 3880, 4216, 4712, 5168, 5270, 5890, 6014, 6460, 6596, 7372, 7760, 8245, 8432, 9215, 9424, 10013, 10540, 11780, 12028, 12920, 13192, 14744, 15035, 16490, 18430, 20026, 21080, 23560, 24056, 25840, 26384, 29488, 30070, 31331, 32980, 36860, 40052, 42160, 47120, 48112, 50065, 51119, 57133, 60140, 62662, 65960, 73720, 80104, 100130, 102238, 114266, 120280, 125324, 131920, 147440, 156655, 160208, 200260, 204476, 228532, 240560, 250648, 255595, 285665, 313310, 400520, 408952, 457064, 501296, 511190, 571330, 626620, 801040, 817904, 914128, 971261, 1022380, 1142660, 1253240, 1942522, 2044760, 2285320, 2506480, 3885044, 4089520, 4570640, 4856305, 7770088, 9712610, 15540176, 19425220, 38850440, 77700880]

約数ペア:

[(1, 77700880), (2, 38850440), (4, 19425220), (5, 15540176), (8, 9712610), (10, 7770088), (16, 4856305), (17, 4570640), (19, 4089520), (20, 3885044), (31, 2506480), (34, 2285320), (38, 2044760), (40, 1942522), (62, 1253240), (68, 1142660), (76, 1022380), (80, 971261), (85, 914128), (95, 817904), (97, 801040), (124, 626620), (136, 571330), (152, 511190), (155, 501296), (170, 457064), (190, 408952), (194, 400520), (248, 313310), (272, 285665), (304, 255595), (310, 250648), (323, 240560), (340, 228532), (380, 204476), (388, 200260), (485, 160208), (496, 156655), (527, 147440), (589, 131920), (620, 125324), (646, 120280), (680, 114266), (760, 102238), (776, 100130), (970, 80104), (1054, 73720), (1178, 65960), (1240, 62662), (1292, 60140), (1360, 57133), (1520, 51119), (1552, 50065), (1615, 48112), (1649, 47120), (1843, 42160), (1940, 40052), (2108, 36860), (2356, 32980), (2480, 31331), (2584, 30070), (2635, 29488), (2945, 26384), (3007, 25840), (3230, 24056), (3298, 23560), (3686, 21080), (3880, 20026), (4216, 18430), (4712, 16490), (5168, 15035), (5270, 14744), (5890, 13192), (6014, 12920), (6460, 12028), (6596, 11780), (7372, 10540), (7760, 10013), (8245, 9424), (8432, 9215)]