278017320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19469}}^1$

素因数の和:19507

約数の個数: 128

約数和(自身を含む): 1009324800

約数和(自身を除く): 731307480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 14280, 19469, 38938, 58407, 77876, 97345, 116814, 136283, 155752, 194690, 233628, 272566, 292035, 330973, 389380, 408849, 467256, 545132, 584070, 661946, 681415, 778760, 817698, 992919, 1090264, 1168140, 1323892, 1362830, 1635396, 1654865, 1985838, 2044245, 2316811, 2336280, 2647784, 2725660, 3270792, 3309730, 3971676, 4088490, 4633622, 4964595, 5451320, 6619460, 6950433, 7943352, 8176980, 9267244, 9929190, 11584055, 13238920, 13900866, 16353960, 18534488, 19858380, 23168110, 27801732, 34752165, 39716760, 46336220, 55603464, 69504330, 92672440, 139008660, 278017320]

約数ペア:

[(1, 278017320), (2, 139008660), (3, 92672440), (4, 69504330), (5, 55603464), (6, 46336220), (7, 39716760), (8, 34752165), (10, 27801732), (12, 23168110), (14, 19858380), (15, 18534488), (17, 16353960), (20, 13900866), (21, 13238920), (24, 11584055), (28, 9929190), (30, 9267244), (34, 8176980), (35, 7943352), (40, 6950433), (42, 6619460), (51, 5451320), (56, 4964595), (60, 4633622), (68, 4088490), (70, 3971676), (84, 3309730), (85, 3270792), (102, 2725660), (105, 2647784), (119, 2336280), (120, 2316811), (136, 2044245), (140, 1985838), (168, 1654865), (170, 1635396), (204, 1362830), (210, 1323892), (238, 1168140), (255, 1090264), (280, 992919), (340, 817698), (357, 778760), (408, 681415), (420, 661946), (476, 584070), (510, 545132), (595, 467256), (680, 408849), (714, 389380), (840, 330973), (952, 292035), (1020, 272566), (1190, 233628), (1428, 194690), (1785, 155752), (2040, 136283), (2380, 116814), (2856, 97345), (3570, 77876), (4760, 58407), (7140, 38938), (14280, 19469)]