18287100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:557

約数の個数: 144

約数和(自身を含む): 63433440

約数和(自身を除く): 45146340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 521, 540, 585, 650, 675, 702, 780, 900, 975, 1042, 1170, 1300, 1350, 1404, 1563, 1755, 1950, 2084, 2340, 2605, 2700, 2925, 3126, 3510, 3900, 4689, 5210, 5850, 6252, 6773, 7020, 7815, 8775, 9378, 10420, 11700, 13025, 13546, 14067, 15630, 17550, 18756, 20319, 23445, 26050, 27092, 28134, 31260, 33865, 35100, 39075, 40638, 46890, 52100, 56268, 60957, 67730, 70335, 78150, 81276, 93780, 101595, 117225, 121914, 135460, 140670, 156300, 169325, 182871, 203190, 234450, 243828, 281340, 304785, 338650, 351675, 365742, 406380, 468900, 507975, 609570, 677300, 703350, 731484, 914355, 1015950, 1219140, 1406700, 1523925, 1828710, 2031900, 3047850, 3657420, 4571775, 6095700, 9143550, 18287100]

約数ペア:

[(1, 18287100), (2, 9143550), (3, 6095700), (4, 4571775), (5, 3657420), (6, 3047850), (9, 2031900), (10, 1828710), (12, 1523925), (13, 1406700), (15, 1219140), (18, 1015950), (20, 914355), (25, 731484), (26, 703350), (27, 677300), (30, 609570), (36, 507975), (39, 468900), (45, 406380), (50, 365742), (52, 351675), (54, 338650), (60, 304785), (65, 281340), (75, 243828), (78, 234450), (90, 203190), (100, 182871), (108, 169325), (117, 156300), (130, 140670), (135, 135460), (150, 121914), (156, 117225), (180, 101595), (195, 93780), (225, 81276), (234, 78150), (260, 70335), (270, 67730), (300, 60957), (325, 56268), (351, 52100), (390, 46890), (450, 40638), (468, 39075), (521, 35100), (540, 33865), (585, 31260), (650, 28134), (675, 27092), (702, 26050), (780, 23445), (900, 20319), (975, 18756), (1042, 17550), (1170, 15630), (1300, 14067), (1350, 13546), (1404, 13025), (1563, 11700), (1755, 10420), (1950, 9378), (2084, 8775), (2340, 7815), (2605, 7020), (2700, 6773), (2925, 6252), (3126, 5850), (3510, 5210), (3900, 4689)]