280357920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10247}}^1$

素因数の和:10287

約数の個数: 144

約数和(自身を含む): 1007173440

約数和(自身を除く): 726815520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 10247, 13680, 20494, 27360, 30741, 40988, 51235, 61482, 81976, 92223, 102470, 122964, 153705, 163952, 184446, 194693, 204940, 245928, 307410, 327904, 368892, 389386, 409880, 461115, 491856, 584079, 614820, 737784, 778772, 819760, 922230, 973465, 983712, 1168158, 1229640, 1475568, 1557544, 1639520, 1752237, 1844460, 1946930, 2336316, 2459280, 2920395, 2951136, 3115088, 3504474, 3688920, 3893860, 4672632, 4918560, 5840790, 6230176, 7008948, 7377840, 7787720, 8761185, 9345264, 11681580, 14017896, 14755680, 15575440, 17522370, 18690528, 23363160, 28035792, 31150880, 35044740, 46726320, 56071584, 70089480, 93452640, 140178960, 280357920]

約数ペア:

[(1, 280357920), (2, 140178960), (3, 93452640), (4, 70089480), (5, 56071584), (6, 46726320), (8, 35044740), (9, 31150880), (10, 28035792), (12, 23363160), (15, 18690528), (16, 17522370), (18, 15575440), (19, 14755680), (20, 14017896), (24, 11681580), (30, 9345264), (32, 8761185), (36, 7787720), (38, 7377840), (40, 7008948), (45, 6230176), (48, 5840790), (57, 4918560), (60, 4672632), (72, 3893860), (76, 3688920), (80, 3504474), (90, 3115088), (95, 2951136), (96, 2920395), (114, 2459280), (120, 2336316), (144, 1946930), (152, 1844460), (160, 1752237), (171, 1639520), (180, 1557544), (190, 1475568), (228, 1229640), (240, 1168158), (285, 983712), (288, 973465), (304, 922230), (342, 819760), (360, 778772), (380, 737784), (456, 614820), (480, 584079), (570, 491856), (608, 461115), (684, 409880), (720, 389386), (760, 368892), (855, 327904), (912, 307410), (1140, 245928), (1368, 204940), (1440, 194693), (1520, 184446), (1710, 163952), (1824, 153705), (2280, 122964), (2736, 102470), (3040, 92223), (3420, 81976), (4560, 61482), (5472, 51235), (6840, 40988), (9120, 30741), (10247, 27360), (13680, 20494)]