28897620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 87889536

約数和(自身を除く): 58991916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 41, 51, 60, 68, 82, 85, 102, 123, 164, 170, 204, 205, 246, 255, 340, 410, 492, 510, 615, 691, 697, 820, 1020, 1230, 1382, 1394, 2073, 2091, 2460, 2764, 2788, 3455, 3485, 4146, 4182, 6910, 6970, 8292, 8364, 10365, 10455, 11747, 13820, 13940, 20730, 20910, 23494, 28331, 35241, 41460, 41820, 46988, 56662, 58735, 70482, 84993, 113324, 117470, 140964, 141655, 169986, 176205, 234940, 283310, 339972, 352410, 424965, 481627, 566620, 704820, 849930, 963254, 1444881, 1699860, 1926508, 2408135, 2889762, 4816270, 5779524, 7224405, 9632540, 14448810, 28897620]

約数ペア:

[(1, 28897620), (2, 14448810), (3, 9632540), (4, 7224405), (5, 5779524), (6, 4816270), (10, 2889762), (12, 2408135), (15, 1926508), (17, 1699860), (20, 1444881), (30, 963254), (34, 849930), (41, 704820), (51, 566620), (60, 481627), (68, 424965), (82, 352410), (85, 339972), (102, 283310), (123, 234940), (164, 176205), (170, 169986), (204, 141655), (205, 140964), (246, 117470), (255, 113324), (340, 84993), (410, 70482), (492, 58735), (510, 56662), (615, 46988), (691, 41820), (697, 41460), (820, 35241), (1020, 28331), (1230, 23494), (1382, 20910), (1394, 20730), (2073, 13940), (2091, 13820), (2460, 11747), (2764, 10455), (2788, 10365), (3455, 8364), (3485, 8292), (4146, 6970), (4182, 6910)]