30267880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 71442000

約数和(自身を除く): 41174120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 269, 290, 388, 485, 538, 580, 776, 970, 1076, 1160, 1345, 1940, 2152, 2690, 2813, 3880, 5380, 5626, 7801, 10760, 11252, 14065, 15602, 22504, 26093, 28130, 31204, 39005, 52186, 56260, 62408, 78010, 104372, 112520, 130465, 156020, 208744, 260930, 312040, 521860, 756697, 1043720, 1513394, 3026788, 3783485, 6053576, 7566970, 15133940, 30267880]

約数ペア:

[(1, 30267880), (2, 15133940), (4, 7566970), (5, 6053576), (8, 3783485), (10, 3026788), (20, 1513394), (29, 1043720), (40, 756697), (58, 521860), (97, 312040), (116, 260930), (145, 208744), (194, 156020), (232, 130465), (269, 112520), (290, 104372), (388, 78010), (485, 62408), (538, 56260), (580, 52186), (776, 39005), (970, 31204), (1076, 28130), (1160, 26093), (1345, 22504), (1940, 15602), (2152, 14065), (2690, 11252), (2813, 10760), (3880, 7801), (5380, 5626)]