145940560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{709}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 354977280

約数和(自身を除く): 209036720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 620, 664, 709, 830, 1240, 1328, 1418, 1660, 2480, 2573, 2836, 3320, 3545, 5146, 5672, 6640, 7090, 10292, 11344, 12865, 14180, 20584, 21979, 25730, 28360, 41168, 43958, 51460, 56720, 58847, 87916, 102920, 109895, 117694, 175832, 205840, 219790, 235388, 294235, 351664, 439580, 470776, 588470, 879160, 941552, 1176940, 1758320, 1824257, 2353880, 3648514, 4707760, 7297028, 9121285, 14594056, 18242570, 29188112, 36485140, 72970280, 145940560]

約数ペア:

[(1, 145940560), (2, 72970280), (4, 36485140), (5, 29188112), (8, 18242570), (10, 14594056), (16, 9121285), (20, 7297028), (31, 4707760), (40, 3648514), (62, 2353880), (80, 1824257), (83, 1758320), (124, 1176940), (155, 941552), (166, 879160), (248, 588470), (310, 470776), (332, 439580), (415, 351664), (496, 294235), (620, 235388), (664, 219790), (709, 205840), (830, 175832), (1240, 117694), (1328, 109895), (1418, 102920), (1660, 87916), (2480, 58847), (2573, 56720), (2836, 51460), (3320, 43958), (3545, 41168), (5146, 28360), (5672, 25730), (6640, 21979), (7090, 20584), (10292, 14180), (11344, 12865)]