619320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 2005920

約数和(自身を除く): 1386600

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, 397, 520, 780, 794, 1191, 1560, 1588, 1985, 2382, 3176, 3970, 4764, 5161, 5955, 7940, 9528, 10322, 11910, 15483, 15880, 20644, 23820, 25805, 30966, 41288, 47640, 51610, 61932, 77415, 103220, 123864, 154830, 206440, 309660, 619320]

約数ペア:

[(1, 619320), (2, 309660), (3, 206440), (4, 154830), (5, 123864), (6, 103220), (8, 77415), (10, 61932), (12, 51610), (13, 47640), (15, 41288), (20, 30966), (24, 25805), (26, 23820), (30, 20644), (39, 15880), (40, 15483), (52, 11910), (60, 10322), (65, 9528), (78, 7940), (104, 5955), (120, 5161), (130, 4764), (156, 3970), (195, 3176), (260, 2382), (312, 1985), (390, 1588), (397, 1560), (520, 1191), (780, 794)]