154681940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1305

約数の個数: 96

約数和(自身を含む): 396748800

約数和(自身を除く): 242066860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 290, 310, 406, 434, 580, 620, 812, 868, 899, 1015, 1085, 1229, 1798, 2030, 2170, 2458, 3596, 4060, 4340, 4495, 4916, 6145, 6293, 8603, 8990, 12290, 12586, 17206, 17980, 24580, 25172, 31465, 34412, 35641, 38099, 43015, 62930, 71282, 76198, 86030, 125860, 142564, 152396, 172060, 178205, 190495, 249487, 266693, 356410, 380990, 498974, 533386, 712820, 761980, 997948, 1066772, 1104871, 1247435, 1333465, 2209742, 2494870, 2666930, 4419484, 4989740, 5333860, 5524355, 7734097, 11048710, 15468194, 22097420, 30936388, 38670485, 77340970, 154681940]

約数ペア:

[(1, 154681940), (2, 77340970), (4, 38670485), (5, 30936388), (7, 22097420), (10, 15468194), (14, 11048710), (20, 7734097), (28, 5524355), (29, 5333860), (31, 4989740), (35, 4419484), (58, 2666930), (62, 2494870), (70, 2209742), (116, 1333465), (124, 1247435), (140, 1104871), (145, 1066772), (155, 997948), (203, 761980), (217, 712820), (290, 533386), (310, 498974), (406, 380990), (434, 356410), (580, 266693), (620, 249487), (812, 190495), (868, 178205), (899, 172060), (1015, 152396), (1085, 142564), (1229, 125860), (1798, 86030), (2030, 76198), (2170, 71282), (2458, 62930), (3596, 43015), (4060, 38099), (4340, 35641), (4495, 34412), (4916, 31465), (6145, 25172), (6293, 24580), (8603, 17980), (8990, 17206), (12290, 12586)]