161490420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9894

約数の個数: 144

約数和(自身を含む): 602958720

約数和(自身を除く): 441468300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 9859, 16380, 19718, 29577, 39436, 49295, 59154, 69013, 88731, 98590, 118308, 128167, 138026, 147885, 177462, 197180, 207039, 256334, 276052, 295770, 345065, 354924, 384501, 414078, 443655, 512668, 591540, 621117, 640835, 690130, 769002, 828156, 887310, 897169, 1035195, 1153503, 1242234, 1281670, 1380260, 1538004, 1774620, 1794338, 1922505, 2070390, 2307006, 2484468, 2563340, 2691507, 3105585, 3588676, 3845010, 4140780, 4485845, 4614012, 5383014, 5767515, 6211170, 7690020, 8074521, 8971690, 10766028, 11535030, 12422340, 13457535, 16149042, 17943380, 23070060, 26915070, 32298084, 40372605, 53830140, 80745210, 161490420]

約数ペア:

[(1, 161490420), (2, 80745210), (3, 53830140), (4, 40372605), (5, 32298084), (6, 26915070), (7, 23070060), (9, 17943380), (10, 16149042), (12, 13457535), (13, 12422340), (14, 11535030), (15, 10766028), (18, 8971690), (20, 8074521), (21, 7690020), (26, 6211170), (28, 5767515), (30, 5383014), (35, 4614012), (36, 4485845), (39, 4140780), (42, 3845010), (45, 3588676), (52, 3105585), (60, 2691507), (63, 2563340), (65, 2484468), (70, 2307006), (78, 2070390), (84, 1922505), (90, 1794338), (91, 1774620), (105, 1538004), (117, 1380260), (126, 1281670), (130, 1242234), (140, 1153503), (156, 1035195), (180, 897169), (182, 887310), (195, 828156), (210, 769002), (234, 690130), (252, 640835), (260, 621117), (273, 591540), (315, 512668), (364, 443655), (390, 414078), (420, 384501), (455, 354924), (468, 345065), (546, 295770), (585, 276052), (630, 256334), (780, 207039), (819, 197180), (910, 177462), (1092, 147885), (1170, 138026), (1260, 128167), (1365, 118308), (1638, 98590), (1820, 88731), (2340, 69013), (2730, 59154), (3276, 49295), (4095, 39436), (5460, 29577), (8190, 19718), (9859, 16380)]