20242688640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{27103}}^1$

素因数の和:27514

約数の個数: 128

約数和(自身を含む): 64691827200

約数和(自身を除く): 44449138560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 389, 480, 640, 778, 960, 1167, 1556, 1920, 1945, 2334, 3112, 3890, 4668, 5835, 6224, 7780, 9336, 11670, 12448, 15560, 18672, 23340, 24896, 27103, 31120, 37344, 46680, 49792, 54206, 62240, 74688, 81309, 93360, 108412, 124480, 135515, 149376, 162618, 186720, 216824, 248960, 271030, 325236, 373440, 406545, 433648, 542060, 650472, 746880, 813090, 867296, 1084120, 1300944, 1626180, 1734592, 2168240, 2601888, 3252360, 3469184, 4336480, 5203776, 6504720, 8672960, 10407552, 10543067, 13009440, 17345920, 21086134, 26018880, 31629201, 42172268, 52037760, 52715335, 63258402, 84344536, 105430670, 126516804, 158146005, 168689072, 210861340, 253033608, 316292010, 337378144, 421722680, 506067216, 632584020, 674756288, 843445360, 1012134432, 1265168040, 1349512576, 1686890720, 2024268864, 2530336080, 3373781440, 4048537728, 5060672160, 6747562880, 10121344320, 20242688640]

約数ペア:

[(1, 20242688640), (2, 10121344320), (3, 6747562880), (4, 5060672160), (5, 4048537728), (6, 3373781440), (8, 2530336080), (10, 2024268864), (12, 1686890720), (15, 1349512576), (16, 1265168040), (20, 1012134432), (24, 843445360), (30, 674756288), (32, 632584020), (40, 506067216), (48, 421722680), (60, 337378144), (64, 316292010), (80, 253033608), (96, 210861340), (120, 168689072), (128, 158146005), (160, 126516804), (192, 105430670), (240, 84344536), (320, 63258402), (384, 52715335), (389, 52037760), (480, 42172268), (640, 31629201), (778, 26018880), (960, 21086134), (1167, 17345920), (1556, 13009440), (1920, 10543067), (1945, 10407552), (2334, 8672960), (3112, 6504720), (3890, 5203776), (4668, 4336480), (5835, 3469184), (6224, 3252360), (7780, 2601888), (9336, 2168240), (11670, 1734592), (12448, 1626180), (15560, 1300944), (18672, 1084120), (23340, 867296), (24896, 813090), (27103, 746880), (31120, 650472), (37344, 542060), (46680, 433648), (49792, 406545), (54206, 373440), (62240, 325236), (74688, 271030), (81309, 248960), (93360, 216824), (108412, 186720), (124480, 162618), (135515, 149376)]