217283640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{5279}}^1$

素因数の和:5314

約数の個数: 128

約数和(自身を含む): 760320000

約数和(自身を除く): 543036360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5279, 5880, 6860, 8232, 10290, 10558, 13720, 15837, 20580, 21116, 26395, 31674, 36953, 41160, 42232, 52790, 63348, 73906, 79185, 105580, 110859, 126696, 147812, 158370, 184765, 211160, 221718, 258671, 295624, 316740, 369530, 443436, 517342, 554295, 633480, 739060, 776013, 886872, 1034684, 1108590, 1293355, 1478120, 1552026, 1810697, 2069368, 2217180, 2586710, 3104052, 3621394, 3880065, 4434360, 5173420, 5432091, 6208104, 7242788, 7760130, 9053485, 10346840, 10864182, 14485576, 15520260, 18106970, 21728364, 27160455, 31040520, 36213940, 43456728, 54320910, 72427880, 108641820, 217283640]

約数ペア:

[(1, 217283640), (2, 108641820), (3, 72427880), (4, 54320910), (5, 43456728), (6, 36213940), (7, 31040520), (8, 27160455), (10, 21728364), (12, 18106970), (14, 15520260), (15, 14485576), (20, 10864182), (21, 10346840), (24, 9053485), (28, 7760130), (30, 7242788), (35, 6208104), (40, 5432091), (42, 5173420), (49, 4434360), (56, 3880065), (60, 3621394), (70, 3104052), (84, 2586710), (98, 2217180), (105, 2069368), (120, 1810697), (140, 1552026), (147, 1478120), (168, 1293355), (196, 1108590), (210, 1034684), (245, 886872), (280, 776013), (294, 739060), (343, 633480), (392, 554295), (420, 517342), (490, 443436), (588, 369530), (686, 316740), (735, 295624), (840, 258671), (980, 221718), (1029, 211160), (1176, 184765), (1372, 158370), (1470, 147812), (1715, 126696), (1960, 110859), (2058, 105580), (2744, 79185), (2940, 73906), (3430, 63348), (4116, 52790), (5145, 42232), (5279, 41160), (5880, 36953), (6860, 31674), (8232, 26395), (10290, 21116), (10558, 20580), (13720, 15837)]