28312830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3490

約数の個数: 96

約数和(自身を含む): 90627264

約数和(自身を除く): 62314434

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 3457, 4095, 6914, 8190, 10371, 17285, 20742, 24199, 31113, 34570, 44941, 48398, 51855, 62226, 72597, 89882, 103710, 120995, 134823, 145194, 155565, 217791, 224705, 241990, 269646, 311130, 314587, 362985, 404469, 435582, 449410, 629174, 674115, 725970, 808938, 943761, 1088955, 1348230, 1572935, 1887522, 2022345, 2177910, 2831283, 3145870, 4044690, 4718805, 5662566, 9437610, 14156415, 28312830]

約数ペア:

[(1, 28312830), (2, 14156415), (3, 9437610), (5, 5662566), (6, 4718805), (7, 4044690), (9, 3145870), (10, 2831283), (13, 2177910), (14, 2022345), (15, 1887522), (18, 1572935), (21, 1348230), (26, 1088955), (30, 943761), (35, 808938), (39, 725970), (42, 674115), (45, 629174), (63, 449410), (65, 435582), (70, 404469), (78, 362985), (90, 314587), (91, 311130), (105, 269646), (117, 241990), (126, 224705), (130, 217791), (182, 155565), (195, 145194), (210, 134823), (234, 120995), (273, 103710), (315, 89882), (390, 72597), (455, 62226), (546, 51855), (585, 48398), (630, 44941), (819, 34570), (910, 31113), (1170, 24199), (1365, 20742), (1638, 17285), (2730, 10371), (3457, 8190), (4095, 6914)]