78648240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^3$

素因数の和:120

約数の個数: 160

約数和(自身を含む): 274839552

約数和(自身を除く): 196191312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 220, 240, 248, 264, 310, 330, 341, 372, 440, 465, 496, 528, 620, 660, 682, 744, 880, 930, 961, 1023, 1240, 1320, 1364, 1488, 1705, 1860, 1922, 2046, 2480, 2640, 2728, 2883, 3410, 3720, 3844, 4092, 4805, 5115, 5456, 5766, 6820, 7440, 7688, 8184, 9610, 10230, 10571, 11532, 13640, 14415, 15376, 16368, 19220, 20460, 21142, 23064, 27280, 28830, 29791, 31713, 38440, 40920, 42284, 46128, 52855, 57660, 59582, 63426, 76880, 81840, 84568, 89373, 105710, 115320, 119164, 126852, 148955, 158565, 169136, 178746, 211420, 230640, 238328, 253704, 297910, 317130, 327701, 357492, 422840, 446865, 476656, 507408, 595820, 634260, 655402, 714984, 845680, 893730, 983103, 1191640, 1268520, 1310804, 1429968, 1638505, 1787460, 1966206, 2383280, 2537040, 2621608, 3277010, 3574920, 3932412, 4915515, 5243216, 6554020, 7149840, 7864824, 9831030, 13108040, 15729648, 19662060, 26216080, 39324120, 78648240]

約数ペア:

[(1, 78648240), (2, 39324120), (3, 26216080), (4, 19662060), (5, 15729648), (6, 13108040), (8, 9831030), (10, 7864824), (11, 7149840), (12, 6554020), (15, 5243216), (16, 4915515), (20, 3932412), (22, 3574920), (24, 3277010), (30, 2621608), (31, 2537040), (33, 2383280), (40, 1966206), (44, 1787460), (48, 1638505), (55, 1429968), (60, 1310804), (62, 1268520), (66, 1191640), (80, 983103), (88, 893730), (93, 845680), (110, 714984), (120, 655402), (124, 634260), (132, 595820), (155, 507408), (165, 476656), (176, 446865), (186, 422840), (220, 357492), (240, 327701), (248, 317130), (264, 297910), (310, 253704), (330, 238328), (341, 230640), (372, 211420), (440, 178746), (465, 169136), (496, 158565), (528, 148955), (620, 126852), (660, 119164), (682, 115320), (744, 105710), (880, 89373), (930, 84568), (961, 81840), (1023, 76880), (1240, 63426), (1320, 59582), (1364, 57660), (1488, 52855), (1705, 46128), (1860, 42284), (1922, 40920), (2046, 38440), (2480, 31713), (2640, 29791), (2728, 28830), (2883, 27280), (3410, 23064), (3720, 21142), (3844, 20460), (4092, 19220), (4805, 16368), (5115, 15376), (5456, 14415), (5766, 13640), (6820, 11532), (7440, 10571), (7688, 10230), (8184, 9610)]