28700640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 144

約数和(自身を含む): 103194000

約数和(自身を除く): 74493360

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, 1049, 1140, 1368, 1440, 1520, 1710, 1824, 2098, 2280, 2736, 3040, 3147, 3420, 4196, 4560, 5245, 5472, 6294, 6840, 8392, 9120, 9441, 10490, 12588, 13680, 15735, 16784, 18882, 19931, 20980, 25176, 27360, 31470, 33568, 37764, 39862, 41960, 47205, 50352, 59793, 62940, 75528, 79724, 83920, 94410, 99655, 100704, 119586, 125880, 151056, 159448, 167840, 179379, 188820, 199310, 239172, 251760, 298965, 302112, 318896, 358758, 377640, 398620, 478344, 503520, 597930, 637792, 717516, 755280, 797240, 896895, 956688, 1195860, 1435032, 1510560, 1594480, 1793790, 1913376, 2391720, 2870064, 3188960, 3587580, 4783440, 5740128, 7175160, 9566880, 14350320, 28700640]

約数ペア:

[(1, 28700640), (2, 14350320), (3, 9566880), (4, 7175160), (5, 5740128), (6, 4783440), (8, 3587580), (9, 3188960), (10, 2870064), (12, 2391720), (15, 1913376), (16, 1793790), (18, 1594480), (19, 1510560), (20, 1435032), (24, 1195860), (30, 956688), (32, 896895), (36, 797240), (38, 755280), (40, 717516), (45, 637792), (48, 597930), (57, 503520), (60, 478344), (72, 398620), (76, 377640), (80, 358758), (90, 318896), (95, 302112), (96, 298965), (114, 251760), (120, 239172), (144, 199310), (152, 188820), (160, 179379), (171, 167840), (180, 159448), (190, 151056), (228, 125880), (240, 119586), (285, 100704), (288, 99655), (304, 94410), (342, 83920), (360, 79724), (380, 75528), (456, 62940), (480, 59793), (570, 50352), (608, 47205), (684, 41960), (720, 39862), (760, 37764), (855, 33568), (912, 31470), (1049, 27360), (1140, 25176), (1368, 20980), (1440, 19931), (1520, 18882), (1710, 16784), (1824, 15735), (2098, 13680), (2280, 12588), (2736, 10490), (3040, 9441), (3147, 9120), (3420, 8392), (4196, 6840), (4560, 6294), (5245, 5472)]