2220777780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1\times {\mathrm{1907}}^1$

素因数の和:3425

約数の個数: 96

約数和(自身を含む): 6704498304

約数和(自身を除く): 4483720524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1493, 1907, 2986, 3814, 4479, 5721, 5972, 7465, 7628, 8958, 9535, 11442, 14930, 17916, 19070, 19409, 22395, 22884, 24791, 28605, 29860, 38140, 38818, 44790, 49582, 57210, 58227, 74373, 77636, 89580, 97045, 99164, 114420, 116454, 123955, 148746, 194090, 232908, 247910, 291135, 297492, 371865, 388180, 495820, 582270, 743730, 1164540, 1487460, 2847151, 5694302, 8541453, 11388604, 14235755, 17082906, 28471510, 34165812, 37012963, 42707265, 56943020, 74025926, 85414530, 111038889, 148051852, 170829060, 185064815, 222077778, 370129630, 444155556, 555194445, 740259260, 1110388890, 2220777780]

約数ペア:

[(1, 2220777780), (2, 1110388890), (3, 740259260), (4, 555194445), (5, 444155556), (6, 370129630), (10, 222077778), (12, 185064815), (13, 170829060), (15, 148051852), (20, 111038889), (26, 85414530), (30, 74025926), (39, 56943020), (52, 42707265), (60, 37012963), (65, 34165812), (78, 28471510), (130, 17082906), (156, 14235755), (195, 11388604), (260, 8541453), (390, 5694302), (780, 2847151), (1493, 1487460), (1907, 1164540), (2986, 743730), (3814, 582270), (4479, 495820), (5721, 388180), (5972, 371865), (7465, 297492), (7628, 291135), (8958, 247910), (9535, 232908), (11442, 194090), (14930, 148746), (17916, 123955), (19070, 116454), (19409, 114420), (22395, 99164), (22884, 97045), (24791, 89580), (28605, 77636), (29860, 74373), (38140, 58227), (38818, 57210), (44790, 49582)]