19685520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1477

約数の個数: 120

約数和(自身を含む): 69638400

約数和(自身を除く): 49952880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1439, 1520, 1710, 2280, 2736, 2878, 3420, 4317, 4560, 5756, 6840, 7195, 8634, 11512, 12951, 13680, 14390, 17268, 21585, 23024, 25902, 27341, 28780, 34536, 43170, 51804, 54682, 57560, 64755, 69072, 82023, 86340, 103608, 109364, 115120, 129510, 136705, 164046, 172680, 207216, 218728, 246069, 259020, 273410, 328092, 345360, 410115, 437456, 492138, 518040, 546820, 656184, 820230, 984276, 1036080, 1093640, 1230345, 1312368, 1640460, 1968552, 2187280, 2460690, 3280920, 3937104, 4921380, 6561840, 9842760, 19685520]

約数ペア:

[(1, 19685520), (2, 9842760), (3, 6561840), (4, 4921380), (5, 3937104), (6, 3280920), (8, 2460690), (9, 2187280), (10, 1968552), (12, 1640460), (15, 1312368), (16, 1230345), (18, 1093640), (19, 1036080), (20, 984276), (24, 820230), (30, 656184), (36, 546820), (38, 518040), (40, 492138), (45, 437456), (48, 410115), (57, 345360), (60, 328092), (72, 273410), (76, 259020), (80, 246069), (90, 218728), (95, 207216), (114, 172680), (120, 164046), (144, 136705), (152, 129510), (171, 115120), (180, 109364), (190, 103608), (228, 86340), (240, 82023), (285, 69072), (304, 64755), (342, 57560), (360, 54682), (380, 51804), (456, 43170), (570, 34536), (684, 28780), (720, 27341), (760, 25902), (855, 23024), (912, 21585), (1140, 17268), (1368, 14390), (1439, 13680), (1520, 12951), (1710, 11512), (2280, 8634), (2736, 7195), (2878, 6840), (3420, 5756), (4317, 4560)]