581365980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248447}}^1$

素因数の和:248475

約数の個数: 72

約数和(自身を含む): 1899136512

約数和(自身を除く): 1317770532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 248447, 496894, 745341, 993788, 1242235, 1490682, 2236023, 2484470, 2981364, 3229811, 3726705, 4472046, 4968940, 6459622, 7453410, 8944092, 9689433, 11180115, 12919244, 14906820, 16149055, 19378866, 22360230, 29068299, 32298110, 38757732, 44720460, 48447165, 58136598, 64596220, 96894330, 116273196, 145341495, 193788660, 290682990, 581365980]

約数ペア:

[(1, 581365980), (2, 290682990), (3, 193788660), (4, 145341495), (5, 116273196), (6, 96894330), (9, 64596220), (10, 58136598), (12, 48447165), (13, 44720460), (15, 38757732), (18, 32298110), (20, 29068299), (26, 22360230), (30, 19378866), (36, 16149055), (39, 14906820), (45, 12919244), (52, 11180115), (60, 9689433), (65, 8944092), (78, 7453410), (90, 6459622), (117, 4968940), (130, 4472046), (156, 3726705), (180, 3229811), (195, 2981364), (234, 2484470), (260, 2236023), (390, 1490682), (468, 1242235), (585, 993788), (780, 745341), (1170, 496894), (2340, 248447)]