247069160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1531

約数の個数: 128

約数和(自身を含む): 667699200

約数和(自身を除く): 420630040

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 520, 646, 680, 760, 884, 988, 1105, 1235, 1292, 1471, 1615, 1768, 1976, 2210, 2470, 2584, 2942, 3230, 4199, 4420, 4940, 5884, 6460, 7355, 8398, 8840, 9880, 11768, 12920, 14710, 16796, 19123, 20995, 25007, 27949, 29420, 33592, 38246, 41990, 50014, 55898, 58840, 76492, 83980, 95615, 100028, 111796, 125035, 139745, 152984, 167960, 191230, 200056, 223592, 250070, 279490, 325091, 363337, 382460, 475133, 500140, 558980, 650182, 726674, 764920, 950266, 1000280, 1117960, 1300364, 1453348, 1625455, 1816685, 1900532, 2375665, 2600728, 2906696, 3250910, 3633370, 3801064, 4751330, 6176729, 6501820, 7266740, 9502660, 12353458, 13003640, 14533480, 19005320, 24706916, 30883645, 49413832, 61767290, 123534580, 247069160]

約数ペア:

[(1, 247069160), (2, 123534580), (4, 61767290), (5, 49413832), (8, 30883645), (10, 24706916), (13, 19005320), (17, 14533480), (19, 13003640), (20, 12353458), (26, 9502660), (34, 7266740), (38, 6501820), (40, 6176729), (52, 4751330), (65, 3801064), (68, 3633370), (76, 3250910), (85, 2906696), (95, 2600728), (104, 2375665), (130, 1900532), (136, 1816685), (152, 1625455), (170, 1453348), (190, 1300364), (221, 1117960), (247, 1000280), (260, 950266), (323, 764920), (340, 726674), (380, 650182), (442, 558980), (494, 500140), (520, 475133), (646, 382460), (680, 363337), (760, 325091), (884, 279490), (988, 250070), (1105, 223592), (1235, 200056), (1292, 191230), (1471, 167960), (1615, 152984), (1768, 139745), (1976, 125035), (2210, 111796), (2470, 100028), (2584, 95615), (2942, 83980), (3230, 76492), (4199, 58840), (4420, 55898), (4940, 50014), (5884, 41990), (6460, 38246), (7355, 33592), (8398, 29420), (8840, 27949), (9880, 25007), (11768, 20995), (12920, 19123), (14710, 16796)]