30861480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 101445120

約数和(自身を除く): 70583640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 271, 292, 312, 365, 390, 438, 520, 542, 584, 730, 780, 813, 876, 949, 1084, 1095, 1355, 1460, 1560, 1626, 1752, 1898, 2168, 2190, 2710, 2847, 2920, 3252, 3523, 3796, 4065, 4380, 4745, 5420, 5694, 6504, 7046, 7592, 8130, 8760, 9490, 10569, 10840, 11388, 14092, 14235, 16260, 17615, 18980, 19783, 21138, 22776, 28184, 28470, 32520, 35230, 37960, 39566, 42276, 52845, 56940, 59349, 70460, 79132, 84552, 98915, 105690, 113880, 118698, 140920, 158264, 197830, 211380, 237396, 257179, 296745, 395660, 422760, 474792, 514358, 593490, 771537, 791320, 1028716, 1186980, 1285895, 1543074, 2057432, 2373960, 2571790, 3086148, 3857685, 5143580, 6172296, 7715370, 10287160, 15430740, 30861480]

約数ペア:

[(1, 30861480), (2, 15430740), (3, 10287160), (4, 7715370), (5, 6172296), (6, 5143580), (8, 3857685), (10, 3086148), (12, 2571790), (13, 2373960), (15, 2057432), (20, 1543074), (24, 1285895), (26, 1186980), (30, 1028716), (39, 791320), (40, 771537), (52, 593490), (60, 514358), (65, 474792), (73, 422760), (78, 395660), (104, 296745), (120, 257179), (130, 237396), (146, 211380), (156, 197830), (195, 158264), (219, 140920), (260, 118698), (271, 113880), (292, 105690), (312, 98915), (365, 84552), (390, 79132), (438, 70460), (520, 59349), (542, 56940), (584, 52845), (730, 42276), (780, 39566), (813, 37960), (876, 35230), (949, 32520), (1084, 28470), (1095, 28184), (1355, 22776), (1460, 21138), (1560, 19783), (1626, 18980), (1752, 17615), (1898, 16260), (2168, 14235), (2190, 14092), (2710, 11388), (2847, 10840), (2920, 10569), (3252, 9490), (3523, 8760), (3796, 8130), (4065, 7592), (4380, 7046), (4745, 6504), (5420, 5694)]