145209540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{49391}}^1$

素因数の和:49417

約数の個数: 72

約数和(自身を含む): 472977792

約数和(自身を除く): 327768252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 49391, 98782, 148173, 197564, 246955, 296346, 345737, 493910, 592692, 691474, 740865, 987820, 1037211, 1382948, 1481730, 1728685, 2074422, 2420159, 2963460, 3457370, 4148844, 4840318, 5186055, 6914740, 7260477, 9680636, 10372110, 12100795, 14520954, 20744220, 24201590, 29041908, 36302385, 48403180, 72604770, 145209540]

約数ペア:

[(1, 145209540), (2, 72604770), (3, 48403180), (4, 36302385), (5, 29041908), (6, 24201590), (7, 20744220), (10, 14520954), (12, 12100795), (14, 10372110), (15, 9680636), (20, 7260477), (21, 6914740), (28, 5186055), (30, 4840318), (35, 4148844), (42, 3457370), (49, 2963460), (60, 2420159), (70, 2074422), (84, 1728685), (98, 1481730), (105, 1382948), (140, 1037211), (147, 987820), (196, 740865), (210, 691474), (245, 592692), (294, 493910), (420, 345737), (490, 296346), (588, 246955), (735, 197564), (980, 148173), (1470, 98782), (2940, 49391)]