321898980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2969}}^1$

素因数の和:3133

約数の個数: 96

約数和(自身を含む): 977961600

約数和(自身を除く): 656062620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 556, 695, 780, 834, 1390, 1668, 1807, 2085, 2780, 2969, 3614, 4170, 5421, 5938, 7228, 8340, 8907, 9035, 10842, 11876, 14845, 17814, 18070, 21684, 27105, 29690, 35628, 36140, 38597, 44535, 54210, 59380, 77194, 89070, 108420, 115791, 154388, 178140, 192985, 231582, 385970, 412691, 463164, 578955, 771940, 825382, 1157910, 1238073, 1650764, 2063455, 2315820, 2476146, 4126910, 4952292, 5364983, 6190365, 8253820, 10729966, 12380730, 16094949, 21459932, 24761460, 26824915, 32189898, 53649830, 64379796, 80474745, 107299660, 160949490, 321898980]

約数ペア:

[(1, 321898980), (2, 160949490), (3, 107299660), (4, 80474745), (5, 64379796), (6, 53649830), (10, 32189898), (12, 26824915), (13, 24761460), (15, 21459932), (20, 16094949), (26, 12380730), (30, 10729966), (39, 8253820), (52, 6190365), (60, 5364983), (65, 4952292), (78, 4126910), (130, 2476146), (139, 2315820), (156, 2063455), (195, 1650764), (260, 1238073), (278, 1157910), (390, 825382), (417, 771940), (556, 578955), (695, 463164), (780, 412691), (834, 385970), (1390, 231582), (1668, 192985), (1807, 178140), (2085, 154388), (2780, 115791), (2969, 108420), (3614, 89070), (4170, 77194), (5421, 59380), (5938, 54210), (7228, 44535), (8340, 38597), (8907, 36140), (9035, 35628), (10842, 29690), (11876, 27105), (14845, 21684), (17814, 18070)]