30972280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:604

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 43418120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 491, 664, 760, 830, 982, 1577, 1660, 1964, 2455, 3154, 3320, 3928, 4910, 6308, 7885, 9329, 9820, 12616, 15770, 18658, 19640, 31540, 37316, 40753, 46645, 63080, 74632, 81506, 93290, 163012, 186580, 203765, 326024, 373160, 407530, 774307, 815060, 1548614, 1630120, 3097228, 3871535, 6194456, 7743070, 15486140, 30972280]

約数ペア:

[(1, 30972280), (2, 15486140), (4, 7743070), (5, 6194456), (8, 3871535), (10, 3097228), (19, 1630120), (20, 1548614), (38, 815060), (40, 774307), (76, 407530), (83, 373160), (95, 326024), (152, 203765), (166, 186580), (190, 163012), (332, 93290), (380, 81506), (415, 74632), (491, 63080), (664, 46645), (760, 40753), (830, 37316), (982, 31540), (1577, 19640), (1660, 18658), (1964, 15770), (2455, 12616), (3154, 9820), (3320, 9329), (3928, 7885), (4910, 6308)]