28358640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:732

約数の個数: 160

約数和(自身を含む): 102969600

約数和(自身を除く): 74610960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 691, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1382, 1520, 1710, 2052, 2073, 2160, 2280, 2565, 2736, 2764, 3420, 3455, 4104, 4146, 4560, 5130, 5528, 6219, 6840, 6910, 8208, 8292, 10260, 10365, 11056, 12438, 13129, 13680, 13820, 16584, 18657, 20520, 20730, 24876, 26258, 27640, 31095, 33168, 37314, 39387, 41040, 41460, 49752, 52516, 55280, 62190, 65645, 74628, 78774, 82920, 93285, 99504, 105032, 118161, 124380, 131290, 149256, 157548, 165840, 186570, 196935, 210064, 236322, 248760, 262580, 298512, 315096, 354483, 373140, 393870, 472644, 497520, 525160, 590805, 630192, 708966, 746280, 787740, 945288, 1050320, 1181610, 1417932, 1492560, 1575480, 1772415, 1890576, 2363220, 2835864, 3150960, 3544830, 4726440, 5671728, 7089660, 9452880, 14179320, 28358640]

約数ペア:

[(1, 28358640), (2, 14179320), (3, 9452880), (4, 7089660), (5, 5671728), (6, 4726440), (8, 3544830), (9, 3150960), (10, 2835864), (12, 2363220), (15, 1890576), (16, 1772415), (18, 1575480), (19, 1492560), (20, 1417932), (24, 1181610), (27, 1050320), (30, 945288), (36, 787740), (38, 746280), (40, 708966), (45, 630192), (48, 590805), (54, 525160), (57, 497520), (60, 472644), (72, 393870), (76, 373140), (80, 354483), (90, 315096), (95, 298512), (108, 262580), (114, 248760), (120, 236322), (135, 210064), (144, 196935), (152, 186570), (171, 165840), (180, 157548), (190, 149256), (216, 131290), (228, 124380), (240, 118161), (270, 105032), (285, 99504), (304, 93285), (342, 82920), (360, 78774), (380, 74628), (432, 65645), (456, 62190), (513, 55280), (540, 52516), (570, 49752), (684, 41460), (691, 41040), (720, 39387), (760, 37314), (855, 33168), (912, 31095), (1026, 27640), (1080, 26258), (1140, 24876), (1368, 20730), (1382, 20520), (1520, 18657), (1710, 16584), (2052, 13820), (2073, 13680), (2160, 13129), (2280, 12438), (2565, 11056), (2736, 10365), (2764, 10260), (3420, 8292), (3455, 8208), (4104, 6910), (4146, 6840), (4560, 6219), (5130, 5528)]