74649540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{25391}}^1$

素因数の和:25417

約数の個数: 72

約数和(自身を含む): 243153792

約数和(自身を除く): 168504252

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, 25391, 50782, 76173, 101564, 126955, 152346, 177737, 253910, 304692, 355474, 380865, 507820, 533211, 710948, 761730, 888685, 1066422, 1244159, 1523460, 1777370, 2132844, 2488318, 2666055, 3554740, 3732477, 4976636, 5332110, 6220795, 7464954, 10664220, 12441590, 14929908, 18662385, 24883180, 37324770, 74649540]

約数ペア:

[(1, 74649540), (2, 37324770), (3, 24883180), (4, 18662385), (5, 14929908), (6, 12441590), (7, 10664220), (10, 7464954), (12, 6220795), (14, 5332110), (15, 4976636), (20, 3732477), (21, 3554740), (28, 2666055), (30, 2488318), (35, 2132844), (42, 1777370), (49, 1523460), (60, 1244159), (70, 1066422), (84, 888685), (98, 761730), (105, 710948), (140, 533211), (147, 507820), (196, 380865), (210, 355474), (245, 304692), (294, 253910), (420, 177737), (490, 152346), (588, 126955), (735, 101564), (980, 76173), (1470, 50782), (2940, 25391)]