258160140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{619}}^1$

素因数の和:972

約数の個数: 144

約数和(自身を含む): 899109120

約数和(自身を除く): 640948980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 331, 420, 619, 630, 662, 993, 1238, 1260, 1324, 1655, 1857, 1986, 2317, 2476, 2979, 3095, 3310, 3714, 3972, 4333, 4634, 4965, 5571, 5958, 6190, 6620, 6951, 7428, 8666, 9268, 9285, 9930, 11142, 11585, 11916, 12380, 12999, 13902, 14895, 17332, 18570, 19860, 20853, 21665, 22284, 23170, 25998, 27804, 27855, 29790, 34755, 37140, 38997, 41706, 43330, 46340, 51996, 55710, 59580, 64995, 69510, 77994, 83412, 86660, 104265, 111420, 129990, 139020, 155988, 194985, 204889, 208530, 259980, 389970, 409778, 417060, 614667, 779940, 819556, 1024445, 1229334, 1434223, 1844001, 2048890, 2458668, 2868446, 3073335, 3688002, 4097780, 4302669, 5736892, 6146670, 7171115, 7376004, 8605338, 9220005, 12293340, 12908007, 14342230, 17210676, 18440010, 21513345, 25816014, 28684460, 36880020, 43026690, 51632028, 64540035, 86053380, 129080070, 258160140]

約数ペア:

[(1, 258160140), (2, 129080070), (3, 86053380), (4, 64540035), (5, 51632028), (6, 43026690), (7, 36880020), (9, 28684460), (10, 25816014), (12, 21513345), (14, 18440010), (15, 17210676), (18, 14342230), (20, 12908007), (21, 12293340), (28, 9220005), (30, 8605338), (35, 7376004), (36, 7171115), (42, 6146670), (45, 5736892), (60, 4302669), (63, 4097780), (70, 3688002), (84, 3073335), (90, 2868446), (105, 2458668), (126, 2048890), (140, 1844001), (180, 1434223), (210, 1229334), (252, 1024445), (315, 819556), (331, 779940), (420, 614667), (619, 417060), (630, 409778), (662, 389970), (993, 259980), (1238, 208530), (1260, 204889), (1324, 194985), (1655, 155988), (1857, 139020), (1986, 129990), (2317, 111420), (2476, 104265), (2979, 86660), (3095, 83412), (3310, 77994), (3714, 69510), (3972, 64995), (4333, 59580), (4634, 55710), (4965, 51996), (5571, 46340), (5958, 43330), (6190, 41706), (6620, 38997), (6951, 37140), (7428, 34755), (8666, 29790), (9268, 27855), (9285, 27804), (9930, 25998), (11142, 23170), (11585, 22284), (11916, 21665), (12380, 20853), (12999, 19860), (13902, 18570), (14895, 17332)]