72881720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5641}}^1$

素因数の和:5688

約数の個数: 64

約数和(自身を含む): 182800800

約数和(自身を除く): 109919080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 5641, 6460, 11282, 12920, 22564, 28205, 45128, 56410, 95897, 107179, 112820, 191794, 214358, 225640, 383588, 428716, 479485, 535895, 767176, 857432, 958970, 1071790, 1822043, 1917940, 2143580, 3644086, 3835880, 4287160, 7288172, 9110215, 14576344, 18220430, 36440860, 72881720]

約数ペア:

[(1, 72881720), (2, 36440860), (4, 18220430), (5, 14576344), (8, 9110215), (10, 7288172), (17, 4287160), (19, 3835880), (20, 3644086), (34, 2143580), (38, 1917940), (40, 1822043), (68, 1071790), (76, 958970), (85, 857432), (95, 767176), (136, 535895), (152, 479485), (170, 428716), (190, 383588), (323, 225640), (340, 214358), (380, 191794), (646, 112820), (680, 107179), (760, 95897), (1292, 56410), (1615, 45128), (2584, 28205), (3230, 22564), (5641, 12920), (6460, 11282)]