819619080

素因数分解:

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

素因数の和:19948

約数の個数: 128

約数和(自身を含む): 2867616000

約数和(自身を除く): 2047996920

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, 5880, 6860, 8232, 10290, 13720, 19913, 20580, 39826, 41160, 59739, 79652, 99565, 119478, 139391, 159304, 199130, 238956, 278782, 298695, 398260, 418173, 477912, 557564, 597390, 696955, 796520, 836346, 975737, 1115128, 1194780, 1393910, 1672692, 1951474, 2090865, 2389560, 2787820, 2927211, 3345384, 3902948, 4181730, 4878685, 5575640, 5854422, 6830159, 7805896, 8363460, 9757370, 11708844, 13660318, 14636055, 16726920, 19514740, 20490477, 23417688, 27320636, 29272110, 34150795, 39029480, 40980954, 54641272, 58544220, 68301590, 81961908, 102452385, 117088440, 136603180, 163923816, 204904770, 273206360, 409809540, 819619080]

約数ペア:

[(1, 819619080), (2, 409809540), (3, 273206360), (4, 204904770), (5, 163923816), (6, 136603180), (7, 117088440), (8, 102452385), (10, 81961908), (12, 68301590), (14, 58544220), (15, 54641272), (20, 40980954), (21, 39029480), (24, 34150795), (28, 29272110), (30, 27320636), (35, 23417688), (40, 20490477), (42, 19514740), (49, 16726920), (56, 14636055), (60, 13660318), (70, 11708844), (84, 9757370), (98, 8363460), (105, 7805896), (120, 6830159), (140, 5854422), (147, 5575640), (168, 4878685), (196, 4181730), (210, 3902948), (245, 3345384), (280, 2927211), (294, 2787820), (343, 2389560), (392, 2090865), (420, 1951474), (490, 1672692), (588, 1393910), (686, 1194780), (735, 1115128), (840, 975737), (980, 836346), (1029, 796520), (1176, 696955), (1372, 597390), (1470, 557564), (1715, 477912), (1960, 418173), (2058, 398260), (2744, 298695), (2940, 278782), (3430, 238956), (4116, 199130), (5145, 159304), (5880, 139391), (6860, 119478), (8232, 99565), (10290, 79652), (13720, 59739), (19913, 41160), (20580, 39826)]