1920923680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^4$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 5050182060

約数和(自身を除く): 3129258380

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 961, 992, 1040, 1240, 1612, 1922, 2015, 2080, 2480, 3224, 3844, 4030, 4805, 4960, 6448, 7688, 8060, 9610, 12493, 12896, 15376, 16120, 19220, 24986, 29791, 30752, 32240, 38440, 49972, 59582, 62465, 64480, 76880, 99944, 119164, 124930, 148955, 153760, 199888, 238328, 249860, 297910, 387283, 399776, 476656, 499720, 595820, 774566, 923521, 953312, 999440, 1191640, 1549132, 1847042, 1936415, 1998880, 2383280, 3098264, 3694084, 3872830, 4617605, 4766560, 6196528, 7388168, 7745660, 9235210, 12005773, 12393056, 14776336, 15491320, 18470420, 24011546, 29552672, 30982640, 36940840, 48023092, 60028865, 61965280, 73881680, 96046184, 120057730, 147763360, 192092368, 240115460, 384184736, 480230920, 960461840, 1920923680]

約数ペア:

[(1, 1920923680), (2, 960461840), (4, 480230920), (5, 384184736), (8, 240115460), (10, 192092368), (13, 147763360), (16, 120057730), (20, 96046184), (26, 73881680), (31, 61965280), (32, 60028865), (40, 48023092), (52, 36940840), (62, 30982640), (65, 29552672), (80, 24011546), (104, 18470420), (124, 15491320), (130, 14776336), (155, 12393056), (160, 12005773), (208, 9235210), (248, 7745660), (260, 7388168), (310, 6196528), (403, 4766560), (416, 4617605), (496, 3872830), (520, 3694084), (620, 3098264), (806, 2383280), (961, 1998880), (992, 1936415), (1040, 1847042), (1240, 1549132), (1612, 1191640), (1922, 999440), (2015, 953312), (2080, 923521), (2480, 774566), (3224, 595820), (3844, 499720), (4030, 476656), (4805, 399776), (4960, 387283), (6448, 297910), (7688, 249860), (8060, 238328), (9610, 199888), (12493, 153760), (12896, 148955), (15376, 124930), (16120, 119164), (19220, 99944), (24986, 76880), (29791, 64480), (30752, 62465), (32240, 59582), (38440, 49972)]