15900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 56782080

約数和(自身を除く): 40881360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 317, 330, 380, 418, 440, 456, 528, 570, 627, 634, 660, 760, 836, 880, 912, 951, 1045, 1140, 1254, 1268, 1320, 1520, 1585, 1672, 1902, 2090, 2280, 2508, 2536, 2640, 3135, 3170, 3344, 3487, 3804, 4180, 4560, 4755, 5016, 5072, 6023, 6270, 6340, 6974, 7608, 8360, 9510, 10032, 10461, 12046, 12540, 12680, 13948, 15216, 16720, 17435, 18069, 19020, 20922, 24092, 25080, 25360, 27896, 30115, 34870, 36138, 38040, 41844, 48184, 50160, 52305, 55792, 60230, 66253, 69740, 72276, 76080, 83688, 90345, 96368, 104610, 120460, 132506, 139480, 144552, 167376, 180690, 198759, 209220, 240920, 265012, 278960, 289104, 331265, 361380, 397518, 418440, 481840, 530024, 662530, 722760, 795036, 836880, 993795, 1060048, 1325060, 1445520, 1590072, 1987590, 2650120, 3180144, 3975180, 5300240, 7950360, 15900720]

約数ペア:

[(1, 15900720), (2, 7950360), (3, 5300240), (4, 3975180), (5, 3180144), (6, 2650120), (8, 1987590), (10, 1590072), (11, 1445520), (12, 1325060), (15, 1060048), (16, 993795), (19, 836880), (20, 795036), (22, 722760), (24, 662530), (30, 530024), (33, 481840), (38, 418440), (40, 397518), (44, 361380), (48, 331265), (55, 289104), (57, 278960), (60, 265012), (66, 240920), (76, 209220), (80, 198759), (88, 180690), (95, 167376), (110, 144552), (114, 139480), (120, 132506), (132, 120460), (152, 104610), (165, 96368), (176, 90345), (190, 83688), (209, 76080), (220, 72276), (228, 69740), (240, 66253), (264, 60230), (285, 55792), (304, 52305), (317, 50160), (330, 48184), (380, 41844), (418, 38040), (440, 36138), (456, 34870), (528, 30115), (570, 27896), (627, 25360), (634, 25080), (660, 24092), (760, 20922), (836, 19020), (880, 18069), (912, 17435), (951, 16720), (1045, 15216), (1140, 13948), (1254, 12680), (1268, 12540), (1320, 12046), (1520, 10461), (1585, 10032), (1672, 9510), (1902, 8360), (2090, 7608), (2280, 6974), (2508, 6340), (2536, 6270), (2640, 6023), (3135, 5072), (3170, 5016), (3344, 4755), (3487, 4560), (3804, 4180)]