215567820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5419}}^1$

素因数の和:5464

約数の個数: 144

約数和(自身を含む): 745748640

約数和(自身を除く): 530180820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 5419, 6630, 7956, 9945, 10838, 13260, 16257, 19890, 21676, 27095, 32514, 39780, 48771, 54190, 65028, 70447, 81285, 92123, 97542, 108380, 140894, 162570, 184246, 195084, 211341, 243855, 276369, 281788, 325140, 352235, 368492, 422682, 460615, 487710, 552738, 634023, 704470, 829107, 845364, 921230, 975420, 1056705, 1105476, 1197599, 1268046, 1381845, 1408940, 1658214, 1842460, 2113410, 2395198, 2536092, 2763690, 3170115, 3316428, 3592797, 4145535, 4226820, 4790396, 5527380, 5987995, 6340230, 7185594, 8291070, 10778391, 11975990, 12680460, 14371188, 16582140, 17963985, 21556782, 23951980, 35927970, 43113564, 53891955, 71855940, 107783910, 215567820]

約数ペア:

[(1, 215567820), (2, 107783910), (3, 71855940), (4, 53891955), (5, 43113564), (6, 35927970), (9, 23951980), (10, 21556782), (12, 17963985), (13, 16582140), (15, 14371188), (17, 12680460), (18, 11975990), (20, 10778391), (26, 8291070), (30, 7185594), (34, 6340230), (36, 5987995), (39, 5527380), (45, 4790396), (51, 4226820), (52, 4145535), (60, 3592797), (65, 3316428), (68, 3170115), (78, 2763690), (85, 2536092), (90, 2395198), (102, 2113410), (117, 1842460), (130, 1658214), (153, 1408940), (156, 1381845), (170, 1268046), (180, 1197599), (195, 1105476), (204, 1056705), (221, 975420), (234, 921230), (255, 845364), (260, 829107), (306, 704470), (340, 634023), (390, 552738), (442, 487710), (468, 460615), (510, 422682), (585, 368492), (612, 352235), (663, 325140), (765, 281788), (780, 276369), (884, 243855), (1020, 211341), (1105, 195084), (1170, 184246), (1326, 162570), (1530, 140894), (1989, 108380), (2210, 97542), (2340, 92123), (2652, 81285), (3060, 70447), (3315, 65028), (3978, 54190), (4420, 48771), (5419, 39780), (6630, 32514), (7956, 27095), (9945, 21676), (10838, 19890), (13260, 16257)]