28221840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2063}}^1$

素因数の和:2101

約数の個数: 120

約数和(自身を含む): 99815040

約数和(自身を除く): 71593200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2063, 2280, 2736, 3420, 4126, 4560, 6189, 6840, 8252, 10315, 12378, 13680, 16504, 18567, 20630, 24756, 30945, 33008, 37134, 39197, 41260, 49512, 61890, 74268, 78394, 82520, 92835, 99024, 117591, 123780, 148536, 156788, 165040, 185670, 195985, 235182, 247560, 297072, 313576, 352773, 371340, 391970, 470364, 495120, 587955, 627152, 705546, 742680, 783940, 940728, 1175910, 1411092, 1485360, 1567880, 1763865, 1881456, 2351820, 2822184, 3135760, 3527730, 4703640, 5644368, 7055460, 9407280, 14110920, 28221840]

約数ペア:

[(1, 28221840), (2, 14110920), (3, 9407280), (4, 7055460), (5, 5644368), (6, 4703640), (8, 3527730), (9, 3135760), (10, 2822184), (12, 2351820), (15, 1881456), (16, 1763865), (18, 1567880), (19, 1485360), (20, 1411092), (24, 1175910), (30, 940728), (36, 783940), (38, 742680), (40, 705546), (45, 627152), (48, 587955), (57, 495120), (60, 470364), (72, 391970), (76, 371340), (80, 352773), (90, 313576), (95, 297072), (114, 247560), (120, 235182), (144, 195985), (152, 185670), (171, 165040), (180, 156788), (190, 148536), (228, 123780), (240, 117591), (285, 99024), (304, 92835), (342, 82520), (360, 78394), (380, 74268), (456, 61890), (570, 49512), (684, 41260), (720, 39197), (760, 37134), (855, 33008), (912, 30945), (1140, 24756), (1368, 20630), (1520, 18567), (1710, 16504), (2063, 13680), (2280, 12378), (2736, 10315), (3420, 8252), (4126, 6840), (4560, 6189)]