28784730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3255

約数の個数: 64

約数和(自身を含む): 77656320

約数和(自身を除く): 48871590

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 3209, 4485, 6418, 8970, 9627, 16045, 19254, 32090, 41717, 48135, 73807, 83434, 96270, 125151, 147614, 208585, 221421, 250302, 369035, 417170, 442842, 625755, 738070, 959491, 1107105, 1251510, 1918982, 2214210, 2878473, 4797455, 5756946, 9594910, 14392365, 28784730]

約数ペア:

[(1, 28784730), (2, 14392365), (3, 9594910), (5, 5756946), (6, 4797455), (10, 2878473), (13, 2214210), (15, 1918982), (23, 1251510), (26, 1107105), (30, 959491), (39, 738070), (46, 625755), (65, 442842), (69, 417170), (78, 369035), (115, 250302), (130, 221421), (138, 208585), (195, 147614), (230, 125151), (299, 96270), (345, 83434), (390, 73807), (598, 48135), (690, 41717), (897, 32090), (1495, 19254), (1794, 16045), (2990, 9627), (3209, 8970), (4485, 6418)]