305755320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195997}}^1$

素因数の和:196024

約数の個数: 64

約数和(自身を含む): 987829920

約数和(自身を除く): 682074600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 195997, 391994, 587991, 783988, 979985, 1175982, 1567976, 1959970, 2351964, 2547961, 2939955, 3919940, 4703928, 5095922, 5879910, 7643883, 7839880, 10191844, 11759820, 12739805, 15287766, 20383688, 23519640, 25479610, 30575532, 38219415, 50959220, 61151064, 76438830, 101918440, 152877660, 305755320]

約数ペア:

[(1, 305755320), (2, 152877660), (3, 101918440), (4, 76438830), (5, 61151064), (6, 50959220), (8, 38219415), (10, 30575532), (12, 25479610), (13, 23519640), (15, 20383688), (20, 15287766), (24, 12739805), (26, 11759820), (30, 10191844), (39, 7839880), (40, 7643883), (52, 5879910), (60, 5095922), (65, 4703928), (78, 3919940), (104, 2939955), (120, 2547961), (130, 2351964), (156, 1959970), (195, 1567976), (260, 1175982), (312, 979985), (390, 783988), (520, 587991), (780, 391994), (1560, 195997)]