28940040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4231}}^1$

素因数の和:4267

約数の個数: 96

約数和(自身を含む): 99028800

約数和(自身を除く): 70088760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4231, 6840, 8462, 12693, 16924, 21155, 25386, 33848, 38079, 42310, 50772, 63465, 76158, 80389, 84620, 101544, 126930, 152316, 160778, 169240, 190395, 241167, 253860, 304632, 321556, 380790, 401945, 482334, 507720, 643112, 723501, 761580, 803890, 964668, 1205835, 1447002, 1523160, 1607780, 1929336, 2411670, 2894004, 3215560, 3617505, 4823340, 5788008, 7235010, 9646680, 14470020, 28940040]

約数ペア:

[(1, 28940040), (2, 14470020), (3, 9646680), (4, 7235010), (5, 5788008), (6, 4823340), (8, 3617505), (9, 3215560), (10, 2894004), (12, 2411670), (15, 1929336), (18, 1607780), (19, 1523160), (20, 1447002), (24, 1205835), (30, 964668), (36, 803890), (38, 761580), (40, 723501), (45, 643112), (57, 507720), (60, 482334), (72, 401945), (76, 380790), (90, 321556), (95, 304632), (114, 253860), (120, 241167), (152, 190395), (171, 169240), (180, 160778), (190, 152316), (228, 126930), (285, 101544), (342, 84620), (360, 80389), (380, 76158), (456, 63465), (570, 50772), (684, 42310), (760, 38079), (855, 33848), (1140, 25386), (1368, 21155), (1710, 16924), (2280, 12693), (3420, 8462), (4231, 6840)]