1569796720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{2029}}^1$

素因数の和:2570

約数の個数: 80

約数和(自身を含む): 3851316000

約数和(自身を除く): 2281519280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 509, 760, 1018, 1520, 2029, 2036, 2545, 4058, 4072, 5090, 8116, 8144, 9671, 10145, 10180, 16232, 19342, 20290, 20360, 32464, 38551, 38684, 40580, 40720, 48355, 77102, 77368, 81160, 96710, 154204, 154736, 162320, 192755, 193420, 308408, 385510, 386840, 616816, 771020, 773680, 1032761, 1542040, 2065522, 3084080, 4131044, 5163805, 8262088, 10327610, 16524176, 19622459, 20655220, 39244918, 41310440, 78489836, 82620880, 98112295, 156979672, 196224590, 313959344, 392449180, 784898360, 1569796720]

約数ペア:

[(1, 1569796720), (2, 784898360), (4, 392449180), (5, 313959344), (8, 196224590), (10, 156979672), (16, 98112295), (19, 82620880), (20, 78489836), (38, 41310440), (40, 39244918), (76, 20655220), (80, 19622459), (95, 16524176), (152, 10327610), (190, 8262088), (304, 5163805), (380, 4131044), (509, 3084080), (760, 2065522), (1018, 1542040), (1520, 1032761), (2029, 773680), (2036, 771020), (2545, 616816), (4058, 386840), (4072, 385510), (5090, 308408), (8116, 193420), (8144, 192755), (9671, 162320), (10145, 154736), (10180, 154204), (16232, 96710), (19342, 81160), (20290, 77368), (20360, 77102), (32464, 48355), (38551, 40720), (38684, 40580)]