321793020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:505

約数の個数: 192

約数和(自身を含む): 1057996800

約数和(自身を除く): 736203780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 47, 54, 60, 62, 90, 93, 94, 108, 124, 135, 141, 155, 180, 186, 188, 235, 270, 279, 282, 310, 372, 409, 423, 465, 470, 540, 558, 564, 620, 705, 818, 837, 846, 930, 940, 1116, 1227, 1269, 1395, 1410, 1457, 1636, 1674, 1692, 1860, 2045, 2115, 2454, 2538, 2790, 2820, 2914, 3348, 3681, 4090, 4185, 4230, 4371, 4908, 5076, 5580, 5828, 6135, 6345, 7285, 7362, 8180, 8370, 8460, 8742, 11043, 12270, 12679, 12690, 13113, 14570, 14724, 16740, 17484, 18405, 19223, 21855, 22086, 24540, 25358, 25380, 26226, 29140, 36810, 38037, 38446, 39339, 43710, 44172, 50716, 52452, 55215, 57669, 63395, 65565, 73620, 76074, 76892, 78678, 87420, 96115, 110430, 114111, 115338, 126790, 131130, 152148, 157356, 173007, 190185, 192230, 196695, 220860, 228222, 230676, 253580, 262260, 288345, 342333, 346014, 380370, 384460, 393390, 456444, 519021, 570555, 576690, 595913, 684666, 692028, 760740, 786780, 865035, 1038042, 1141110, 1153380, 1191826, 1369332, 1711665, 1730070, 1787739, 2076084, 2282220, 2383652, 2595105, 2979565, 3423330, 3460140, 3575478, 5190210, 5363217, 5959130, 6846660, 7150956, 8938695, 10380420, 10726434, 11918260, 16089651, 17877390, 21452868, 26816085, 32179302, 35754780, 53632170, 64358604, 80448255, 107264340, 160896510, 321793020]

約数ペア:

[(1, 321793020), (2, 160896510), (3, 107264340), (4, 80448255), (5, 64358604), (6, 53632170), (9, 35754780), (10, 32179302), (12, 26816085), (15, 21452868), (18, 17877390), (20, 16089651), (27, 11918260), (30, 10726434), (31, 10380420), (36, 8938695), (45, 7150956), (47, 6846660), (54, 5959130), (60, 5363217), (62, 5190210), (90, 3575478), (93, 3460140), (94, 3423330), (108, 2979565), (124, 2595105), (135, 2383652), (141, 2282220), (155, 2076084), (180, 1787739), (186, 1730070), (188, 1711665), (235, 1369332), (270, 1191826), (279, 1153380), (282, 1141110), (310, 1038042), (372, 865035), (409, 786780), (423, 760740), (465, 692028), (470, 684666), (540, 595913), (558, 576690), (564, 570555), (620, 519021), (705, 456444), (818, 393390), (837, 384460), (846, 380370), (930, 346014), (940, 342333), (1116, 288345), (1227, 262260), (1269, 253580), (1395, 230676), (1410, 228222), (1457, 220860), (1636, 196695), (1674, 192230), (1692, 190185), (1860, 173007), (2045, 157356), (2115, 152148), (2454, 131130), (2538, 126790), (2790, 115338), (2820, 114111), (2914, 110430), (3348, 96115), (3681, 87420), (4090, 78678), (4185, 76892), (4230, 76074), (4371, 73620), (4908, 65565), (5076, 63395), (5580, 57669), (5828, 55215), (6135, 52452), (6345, 50716), (7285, 44172), (7362, 43710), (8180, 39339), (8370, 38446), (8460, 38037), (8742, 36810), (11043, 29140), (12270, 26226), (12679, 25380), (12690, 25358), (13113, 24540), (14570, 22086), (14724, 21855), (16740, 19223), (17484, 18405)]