1215693520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{21313}}^1$

素因数の和:21380

約数の個数: 80

約数和(自身を含む): 3044662272

約数和(自身を除く): 1828968752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 620, 713, 920, 1240, 1426, 1840, 2480, 2852, 3565, 5704, 7130, 11408, 14260, 21313, 28520, 42626, 57040, 85252, 106565, 170504, 213130, 341008, 426260, 490199, 660703, 852520, 980398, 1321406, 1705040, 1960796, 2450995, 2642812, 3303515, 3921592, 4901990, 5285624, 6607030, 7843184, 9803980, 10571248, 13214060, 15196169, 19607960, 26428120, 30392338, 39215920, 52856240, 60784676, 75980845, 121569352, 151961690, 243138704, 303923380, 607846760, 1215693520]

約数ペア:

[(1, 1215693520), (2, 607846760), (4, 303923380), (5, 243138704), (8, 151961690), (10, 121569352), (16, 75980845), (20, 60784676), (23, 52856240), (31, 39215920), (40, 30392338), (46, 26428120), (62, 19607960), (80, 15196169), (92, 13214060), (115, 10571248), (124, 9803980), (155, 7843184), (184, 6607030), (230, 5285624), (248, 4901990), (310, 3921592), (368, 3303515), (460, 2642812), (496, 2450995), (620, 1960796), (713, 1705040), (920, 1321406), (1240, 980398), (1426, 852520), (1840, 660703), (2480, 490199), (2852, 426260), (3565, 341008), (5704, 213130), (7130, 170504), (11408, 106565), (14260, 85252), (21313, 57040), (28520, 42626)]