30860970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 85155840

約数和(自身を除く): 54294870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 223, 446, 659, 669, 1115, 1318, 1338, 1561, 1977, 2230, 3122, 3295, 3345, 3954, 4613, 4683, 6590, 6690, 7805, 9226, 9366, 9885, 13839, 15610, 19770, 23065, 23415, 27678, 46130, 46830, 69195, 138390, 146957, 293914, 440871, 734785, 881742, 1028699, 1469570, 2057398, 2204355, 3086097, 4408710, 5143495, 6172194, 10286990, 15430485, 30860970]

約数ペア:

[(1, 30860970), (2, 15430485), (3, 10286990), (5, 6172194), (6, 5143495), (7, 4408710), (10, 3086097), (14, 2204355), (15, 2057398), (21, 1469570), (30, 1028699), (35, 881742), (42, 734785), (70, 440871), (105, 293914), (210, 146957), (223, 138390), (446, 69195), (659, 46830), (669, 46130), (1115, 27678), (1318, 23415), (1338, 23065), (1561, 19770), (1977, 15610), (2230, 13839), (3122, 9885), (3295, 9366), (3345, 9226), (3954, 7805), (4613, 6690), (4683, 6590)]