217449960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19913}}^1$

素因数の和:19947

約数の個数: 128

約数和(自身を含む): 802932480

約数和(自身を除く): 585482520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 19913, 39826, 59739, 79652, 99565, 119478, 139391, 159304, 199130, 238956, 258869, 278782, 298695, 398260, 418173, 477912, 517738, 557564, 597390, 696955, 776607, 796520, 836346, 1035476, 1115128, 1194780, 1294345, 1393910, 1553214, 1672692, 1812083, 2070952, 2090865, 2389560, 2588690, 2787820, 3106428, 3345384, 3624166, 3883035, 4181730, 5177380, 5436249, 5575640, 6212856, 7248332, 7766070, 8363460, 9060415, 10354760, 10872498, 14496664, 15532140, 16726920, 18120830, 21744996, 27181245, 31064280, 36241660, 43489992, 54362490, 72483320, 108724980, 217449960]

約数ペア:

[(1, 217449960), (2, 108724980), (3, 72483320), (4, 54362490), (5, 43489992), (6, 36241660), (7, 31064280), (8, 27181245), (10, 21744996), (12, 18120830), (13, 16726920), (14, 15532140), (15, 14496664), (20, 10872498), (21, 10354760), (24, 9060415), (26, 8363460), (28, 7766070), (30, 7248332), (35, 6212856), (39, 5575640), (40, 5436249), (42, 5177380), (52, 4181730), (56, 3883035), (60, 3624166), (65, 3345384), (70, 3106428), (78, 2787820), (84, 2588690), (91, 2389560), (104, 2090865), (105, 2070952), (120, 1812083), (130, 1672692), (140, 1553214), (156, 1393910), (168, 1294345), (182, 1194780), (195, 1115128), (210, 1035476), (260, 836346), (273, 796520), (280, 776607), (312, 696955), (364, 597390), (390, 557564), (420, 517738), (455, 477912), (520, 418173), (546, 398260), (728, 298695), (780, 278782), (840, 258869), (910, 238956), (1092, 199130), (1365, 159304), (1560, 139391), (1820, 119478), (2184, 99565), (2730, 79652), (3640, 59739), (5460, 39826), (10920, 19913)]