51909780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1177

約数の個数: 96

約数和(自身を含む): 159239808

約数和(自身を除く): 107330028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 610, 732, 780, 793, 915, 1091, 1220, 1586, 1830, 2182, 2379, 3172, 3273, 3660, 3965, 4364, 4758, 5455, 6546, 7930, 9516, 10910, 11895, 13092, 14183, 15860, 16365, 21820, 23790, 28366, 32730, 42549, 47580, 56732, 65460, 66551, 70915, 85098, 133102, 141830, 170196, 199653, 212745, 266204, 283660, 332755, 399306, 425490, 665510, 798612, 850980, 865163, 998265, 1331020, 1730326, 1996530, 2595489, 3460652, 3993060, 4325815, 5190978, 8651630, 10381956, 12977445, 17303260, 25954890, 51909780]

約数ペア:

[(1, 51909780), (2, 25954890), (3, 17303260), (4, 12977445), (5, 10381956), (6, 8651630), (10, 5190978), (12, 4325815), (13, 3993060), (15, 3460652), (20, 2595489), (26, 1996530), (30, 1730326), (39, 1331020), (52, 998265), (60, 865163), (61, 850980), (65, 798612), (78, 665510), (122, 425490), (130, 399306), (156, 332755), (183, 283660), (195, 266204), (244, 212745), (260, 199653), (305, 170196), (366, 141830), (390, 133102), (610, 85098), (732, 70915), (780, 66551), (793, 65460), (915, 56732), (1091, 47580), (1220, 42549), (1586, 32730), (1830, 28366), (2182, 23790), (2379, 21820), (3172, 16365), (3273, 15860), (3660, 14183), (3965, 13092), (4364, 11895), (4758, 10910), (5455, 9516), (6546, 7930)]