405506040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1893

約数の個数: 128

約数和(自身を含む): 1277061120

約数和(自身を除く): 871555080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 61, 62, 93, 120, 122, 124, 155, 183, 186, 244, 248, 305, 310, 366, 372, 465, 488, 610, 620, 732, 744, 915, 930, 1220, 1240, 1464, 1787, 1830, 1860, 1891, 2440, 3574, 3660, 3720, 3782, 5361, 5673, 7148, 7320, 7564, 8935, 9455, 10722, 11346, 14296, 15128, 17870, 18910, 21444, 22692, 26805, 28365, 35740, 37820, 42888, 45384, 53610, 55397, 56730, 71480, 75640, 107220, 109007, 110794, 113460, 166191, 214440, 218014, 221588, 226920, 276985, 327021, 332382, 436028, 443176, 545035, 553970, 654042, 664764, 830955, 872056, 1090070, 1107940, 1308084, 1329528, 1635105, 1661910, 2180140, 2215880, 2616168, 3270210, 3323820, 3379217, 4360280, 6540420, 6647640, 6758434, 10137651, 13080840, 13516868, 16896085, 20275302, 27033736, 33792170, 40550604, 50688255, 67584340, 81101208, 101376510, 135168680, 202753020, 405506040]

約数ペア:

[(1, 405506040), (2, 202753020), (3, 135168680), (4, 101376510), (5, 81101208), (6, 67584340), (8, 50688255), (10, 40550604), (12, 33792170), (15, 27033736), (20, 20275302), (24, 16896085), (30, 13516868), (31, 13080840), (40, 10137651), (60, 6758434), (61, 6647640), (62, 6540420), (93, 4360280), (120, 3379217), (122, 3323820), (124, 3270210), (155, 2616168), (183, 2215880), (186, 2180140), (244, 1661910), (248, 1635105), (305, 1329528), (310, 1308084), (366, 1107940), (372, 1090070), (465, 872056), (488, 830955), (610, 664764), (620, 654042), (732, 553970), (744, 545035), (915, 443176), (930, 436028), (1220, 332382), (1240, 327021), (1464, 276985), (1787, 226920), (1830, 221588), (1860, 218014), (1891, 214440), (2440, 166191), (3574, 113460), (3660, 110794), (3720, 109007), (3782, 107220), (5361, 75640), (5673, 71480), (7148, 56730), (7320, 55397), (7564, 53610), (8935, 45384), (9455, 42888), (10722, 37820), (11346, 35740), (14296, 28365), (15128, 26805), (17870, 22692), (18910, 21444)]