69727980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 233616096

約数和(自身を除く): 163888116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 641, 735, 740, 777, 980, 1036, 1110, 1282, 1295, 1470, 1554, 1813, 1923, 2220, 2564, 2590, 2940, 3108, 3205, 3626, 3846, 3885, 4487, 5180, 5439, 6410, 7252, 7692, 7770, 8974, 9065, 9615, 10878, 12820, 13461, 15540, 17948, 18130, 19230, 21756, 22435, 23717, 26922, 27195, 31409, 36260, 38460, 44870, 47434, 53844, 54390, 62818, 67305, 71151, 89740, 94227, 94868, 108780, 118585, 125636, 134610, 142302, 157045, 166019, 188454, 237170, 269220, 284604, 314090, 332038, 355755, 376908, 471135, 474340, 498057, 628180, 664076, 711510, 830095, 942270, 996114, 1162133, 1423020, 1660190, 1884540, 1992228, 2324266, 2490285, 3320380, 3486399, 4648532, 4980570, 5810665, 6972798, 9961140, 11621330, 13945596, 17431995, 23242660, 34863990, 69727980]

約数ペア:

[(1, 69727980), (2, 34863990), (3, 23242660), (4, 17431995), (5, 13945596), (6, 11621330), (7, 9961140), (10, 6972798), (12, 5810665), (14, 4980570), (15, 4648532), (20, 3486399), (21, 3320380), (28, 2490285), (30, 2324266), (35, 1992228), (37, 1884540), (42, 1660190), (49, 1423020), (60, 1162133), (70, 996114), (74, 942270), (84, 830095), (98, 711510), (105, 664076), (111, 628180), (140, 498057), (147, 474340), (148, 471135), (185, 376908), (196, 355755), (210, 332038), (222, 314090), (245, 284604), (259, 269220), (294, 237170), (370, 188454), (420, 166019), (444, 157045), (490, 142302), (518, 134610), (555, 125636), (588, 118585), (641, 108780), (735, 94868), (740, 94227), (777, 89740), (980, 71151), (1036, 67305), (1110, 62818), (1282, 54390), (1295, 53844), (1470, 47434), (1554, 44870), (1813, 38460), (1923, 36260), (2220, 31409), (2564, 27195), (2590, 26922), (2940, 23717), (3108, 22435), (3205, 21756), (3626, 19230), (3846, 18130), (3885, 17948), (4487, 15540), (5180, 13461), (5439, 12820), (6410, 10878), (7252, 9615), (7692, 9065), (7770, 8974)]