71637660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 236107872

約数和(自身を除く): 164470212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 41, 45, 51, 60, 68, 82, 85, 90, 102, 123, 153, 164, 170, 180, 204, 205, 246, 255, 306, 340, 369, 410, 492, 510, 571, 612, 615, 697, 738, 765, 820, 1020, 1142, 1230, 1394, 1476, 1530, 1713, 1845, 2091, 2284, 2460, 2788, 2855, 3060, 3426, 3485, 3690, 4182, 5139, 5710, 6273, 6852, 6970, 7380, 8364, 8565, 9707, 10278, 10455, 11420, 12546, 13940, 17130, 19414, 20556, 20910, 23411, 25092, 25695, 29121, 31365, 34260, 38828, 41820, 46822, 48535, 51390, 58242, 62730, 70233, 87363, 93644, 97070, 102780, 116484, 117055, 125460, 140466, 145605, 174726, 194140, 210699, 234110, 280932, 291210, 349452, 351165, 397987, 421398, 436815, 468220, 582420, 702330, 795974, 842796, 873630, 1053495, 1193961, 1404660, 1591948, 1747260, 1989935, 2106990, 2387922, 3581883, 3979870, 4213980, 4775844, 5969805, 7163766, 7959740, 11939610, 14327532, 17909415, 23879220, 35818830, 71637660]

約数ペア:

[(1, 71637660), (2, 35818830), (3, 23879220), (4, 17909415), (5, 14327532), (6, 11939610), (9, 7959740), (10, 7163766), (12, 5969805), (15, 4775844), (17, 4213980), (18, 3979870), (20, 3581883), (30, 2387922), (34, 2106990), (36, 1989935), (41, 1747260), (45, 1591948), (51, 1404660), (60, 1193961), (68, 1053495), (82, 873630), (85, 842796), (90, 795974), (102, 702330), (123, 582420), (153, 468220), (164, 436815), (170, 421398), (180, 397987), (204, 351165), (205, 349452), (246, 291210), (255, 280932), (306, 234110), (340, 210699), (369, 194140), (410, 174726), (492, 145605), (510, 140466), (571, 125460), (612, 117055), (615, 116484), (697, 102780), (738, 97070), (765, 93644), (820, 87363), (1020, 70233), (1142, 62730), (1230, 58242), (1394, 51390), (1476, 48535), (1530, 46822), (1713, 41820), (1845, 38828), (2091, 34260), (2284, 31365), (2460, 29121), (2788, 25695), (2855, 25092), (3060, 23411), (3426, 20910), (3485, 20556), (3690, 19414), (4182, 17130), (5139, 13940), (5710, 12546), (6273, 11420), (6852, 10455), (6970, 10278), (7380, 9707), (8364, 8565)]