78737880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2969}}^1$

素因数の和:3013

約数の個数: 128

約数和(自身を含む): 269438400

約数和(自身を除く): 190700520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 2969, 3315, 4420, 5304, 5938, 6630, 8840, 8907, 11876, 13260, 14845, 17814, 23752, 26520, 29690, 35628, 38597, 44535, 50473, 59380, 71256, 77194, 89070, 100946, 115791, 118760, 151419, 154388, 178140, 192985, 201892, 231582, 252365, 302838, 308776, 356280, 385970, 403784, 463164, 504730, 578955, 605676, 656149, 757095, 771940, 926328, 1009460, 1157910, 1211352, 1312298, 1514190, 1543880, 1968447, 2018920, 2315820, 2624596, 3028380, 3280745, 3936894, 4631640, 5249192, 6056760, 6561490, 7873788, 9842235, 13122980, 15747576, 19684470, 26245960, 39368940, 78737880]

約数ペア:

[(1, 78737880), (2, 39368940), (3, 26245960), (4, 19684470), (5, 15747576), (6, 13122980), (8, 9842235), (10, 7873788), (12, 6561490), (13, 6056760), (15, 5249192), (17, 4631640), (20, 3936894), (24, 3280745), (26, 3028380), (30, 2624596), (34, 2315820), (39, 2018920), (40, 1968447), (51, 1543880), (52, 1514190), (60, 1312298), (65, 1211352), (68, 1157910), (78, 1009460), (85, 926328), (102, 771940), (104, 757095), (120, 656149), (130, 605676), (136, 578955), (156, 504730), (170, 463164), (195, 403784), (204, 385970), (221, 356280), (255, 308776), (260, 302838), (312, 252365), (340, 231582), (390, 201892), (408, 192985), (442, 178140), (510, 154388), (520, 151419), (663, 118760), (680, 115791), (780, 100946), (884, 89070), (1020, 77194), (1105, 71256), (1326, 59380), (1560, 50473), (1768, 44535), (2040, 38597), (2210, 35628), (2652, 29690), (2969, 26520), (3315, 23752), (4420, 17814), (5304, 14845), (5938, 13260), (6630, 11876), (8840, 8907)]