16821561120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{385109}}^1$

素因数の和:385147

約数の個数: 192

約数和(自身を含む): 65216067840

約数和(自身を除く): 48394506720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 6240, 7280, 8736, 10920, 14560, 21840, 43680, 385109, 770218, 1155327, 1540436, 1925545, 2310654, 2695763, 3080872, 3851090, 4621308, 5006417, 5391526, 5776635, 6161744, 7702180, 8087289, 9242616, 10012834, 10783052, 11553270, 12323488, 13478815, 15019251, 15404360, 16174578, 18485232, 20025668, 21566104, 23106540, 25032085, 26957630, 30038502, 30808720, 32349156, 35044919, 36970464, 40051336, 40436445, 43132208, 46213080, 50064170, 53915260, 60077004, 61617440, 64698312, 70089838, 75096255, 80102672, 80872890, 86264416, 92426160, 100128340, 105134757, 107830520, 120154008, 129396624, 140179676, 150192510, 160205344, 161745780, 175224595, 184852320, 200256680, 210269514, 215661040, 240308016, 258793248, 280359352, 300385020, 323491560, 350449190, 400513360, 420539028, 431322080, 480616032, 525673785, 560718704, 600770040, 646983120, 700898380, 801026720, 841078056, 1051347570, 1121437408, 1201540080, 1293966240, 1401796760, 1682156112, 2102695140, 2403080160, 2803593520, 3364312224, 4205390280, 5607187040, 8410780560, 16821561120]

約数ペア:

[(1, 16821561120), (2, 8410780560), (3, 5607187040), (4, 4205390280), (5, 3364312224), (6, 2803593520), (7, 2403080160), (8, 2102695140), (10, 1682156112), (12, 1401796760), (13, 1293966240), (14, 1201540080), (15, 1121437408), (16, 1051347570), (20, 841078056), (21, 801026720), (24, 700898380), (26, 646983120), (28, 600770040), (30, 560718704), (32, 525673785), (35, 480616032), (39, 431322080), (40, 420539028), (42, 400513360), (48, 350449190), (52, 323491560), (56, 300385020), (60, 280359352), (65, 258793248), (70, 240308016), (78, 215661040), (80, 210269514), (84, 200256680), (91, 184852320), (96, 175224595), (104, 161745780), (105, 160205344), (112, 150192510), (120, 140179676), (130, 129396624), (140, 120154008), (156, 107830520), (160, 105134757), (168, 100128340), (182, 92426160), (195, 86264416), (208, 80872890), (210, 80102672), (224, 75096255), (240, 70089838), (260, 64698312), (273, 61617440), (280, 60077004), (312, 53915260), (336, 50064170), (364, 46213080), (390, 43132208), (416, 40436445), (420, 40051336), (455, 36970464), (480, 35044919), (520, 32349156), (546, 30808720), (560, 30038502), (624, 26957630), (672, 25032085), (728, 23106540), (780, 21566104), (840, 20025668), (910, 18485232), (1040, 16174578), (1092, 15404360), (1120, 15019251), (1248, 13478815), (1365, 12323488), (1456, 11553270), (1560, 10783052), (1680, 10012834), (1820, 9242616), (2080, 8087289), (2184, 7702180), (2730, 6161744), (2912, 5776635), (3120, 5391526), (3360, 5006417), (3640, 4621308), (4368, 3851090), (5460, 3080872), (6240, 2695763), (7280, 2310654), (8736, 1925545), (10920, 1540436), (14560, 1155327), (21840, 770218), (43680, 385109)]