248660460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19457}}^1$

素因数の和:19543

約数の個数: 72

約数和(自身を含む): 764932896

約数和(自身を除く): 516272436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 19457, 38914, 58371, 77828, 97285, 116742, 175113, 194570, 233484, 291855, 350226, 389140, 583710, 700452, 875565, 1167420, 1381447, 1751130, 2762894, 3502260, 4144341, 5525788, 6907235, 8288682, 12433023, 13814470, 16577364, 20721705, 24866046, 27628940, 41443410, 49732092, 62165115, 82886820, 124330230, 248660460]

約数ペア:

[(1, 248660460), (2, 124330230), (3, 82886820), (4, 62165115), (5, 49732092), (6, 41443410), (9, 27628940), (10, 24866046), (12, 20721705), (15, 16577364), (18, 13814470), (20, 12433023), (30, 8288682), (36, 6907235), (45, 5525788), (60, 4144341), (71, 3502260), (90, 2762894), (142, 1751130), (180, 1381447), (213, 1167420), (284, 875565), (355, 700452), (426, 583710), (639, 389140), (710, 350226), (852, 291855), (1065, 233484), (1278, 194570), (1420, 175113), (2130, 116742), (2556, 97285), (3195, 77828), (4260, 58371), (6390, 38914), (12780, 19457)]