20170781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{260201}}^1$

素因数の和:260253

約数の個数: 160

約数和(自身を含む): 69692503680

約数和(自身を除く): 49521722160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 816, 912, 969, 1020, 1140, 1292, 1360, 1520, 1615, 1938, 2040, 2280, 2584, 3230, 3876, 4080, 4560, 4845, 5168, 6460, 7752, 9690, 12920, 15504, 19380, 25840, 38760, 77520, 260201, 520402, 780603, 1040804, 1301005, 1561206, 2081608, 2602010, 3122412, 3903015, 4163216, 4423417, 4943819, 5204020, 6244824, 7806030, 8846834, 9887638, 10408040, 12489648, 13270251, 14831457, 15612060, 17693668, 19775276, 20816080, 22117085, 24719095, 26540502, 29662914, 31224120, 35387336, 39550552, 44234170, 49438190, 53081004, 59325828, 62448240, 66351255, 70774672, 74157285, 79101104, 84044923, 88468340, 98876380, 106162008, 118651656, 132702510, 148314570, 168089846, 176936680, 197752760, 212324016, 237303312, 252134769, 265405020, 296629140, 336179692, 353873360, 395505520, 420224615, 504269538, 530810040, 593258280, 672359384, 840449230, 1008539076, 1061620080, 1186516560, 1260673845, 1344718768, 1680898460, 2017078152, 2521347690, 3361796920, 4034156304, 5042695380, 6723593840, 10085390760, 20170781520]

約数ペア:

[(1, 20170781520), (2, 10085390760), (3, 6723593840), (4, 5042695380), (5, 4034156304), (6, 3361796920), (8, 2521347690), (10, 2017078152), (12, 1680898460), (15, 1344718768), (16, 1260673845), (17, 1186516560), (19, 1061620080), (20, 1008539076), (24, 840449230), (30, 672359384), (34, 593258280), (38, 530810040), (40, 504269538), (48, 420224615), (51, 395505520), (57, 353873360), (60, 336179692), (68, 296629140), (76, 265405020), (80, 252134769), (85, 237303312), (95, 212324016), (102, 197752760), (114, 176936680), (120, 168089846), (136, 148314570), (152, 132702510), (170, 118651656), (190, 106162008), (204, 98876380), (228, 88468340), (240, 84044923), (255, 79101104), (272, 74157285), (285, 70774672), (304, 66351255), (323, 62448240), (340, 59325828), (380, 53081004), (408, 49438190), (456, 44234170), (510, 39550552), (570, 35387336), (646, 31224120), (680, 29662914), (760, 26540502), (816, 24719095), (912, 22117085), (969, 20816080), (1020, 19775276), (1140, 17693668), (1292, 15612060), (1360, 14831457), (1520, 13270251), (1615, 12489648), (1938, 10408040), (2040, 9887638), (2280, 8846834), (2584, 7806030), (3230, 6244824), (3876, 5204020), (4080, 4943819), (4560, 4423417), (4845, 4163216), (5168, 3903015), (6460, 3122412), (7752, 2602010), (9690, 2081608), (12920, 1561206), (15504, 1301005), (19380, 1040804), (25840, 780603), (38760, 520402), (77520, 260201)]