1781051220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4787}}^1$

素因数の和:4871

約数の個数: 192

約数和(自身を含む): 6081143040

約数和(自身を除く): 4300091820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 53, 54, 60, 65, 78, 90, 106, 108, 117, 130, 135, 156, 159, 180, 195, 212, 234, 260, 265, 270, 318, 351, 390, 468, 477, 530, 540, 585, 636, 689, 702, 780, 795, 954, 1060, 1170, 1378, 1404, 1431, 1590, 1755, 1908, 2067, 2340, 2385, 2756, 2862, 3180, 3445, 3510, 4134, 4770, 4787, 5724, 6201, 6890, 7020, 7155, 8268, 9540, 9574, 10335, 12402, 13780, 14310, 14361, 18603, 19148, 20670, 23935, 24804, 28620, 28722, 31005, 37206, 41340, 43083, 47870, 57444, 62010, 62231, 71805, 74412, 86166, 93015, 95740, 124020, 124462, 129249, 143610, 172332, 186030, 186693, 215415, 248924, 253711, 258498, 287220, 311155, 372060, 373386, 430830, 507422, 516996, 560079, 622310, 646245, 746772, 761133, 861660, 933465, 1014844, 1120158, 1244620, 1268555, 1292490, 1522266, 1680237, 1866930, 2240316, 2283399, 2537110, 2584980, 2800395, 3044532, 3298243, 3360474, 3733860, 3805665, 4566798, 5074220, 5600790, 6596486, 6720948, 6850197, 7611330, 8401185, 9133596, 9894729, 11201580, 11416995, 13192972, 13700394, 15222660, 16491215, 16802370, 19789458, 22833990, 27400788, 29684187, 32982430, 33604740, 34250985, 39578916, 45667980, 49473645, 59368374, 65964860, 68501970, 89052561, 98947290, 118736748, 137003940, 148420935, 178105122, 197894580, 296841870, 356210244, 445262805, 593683740, 890525610, 1781051220]

約数ペア:

[(1, 1781051220), (2, 890525610), (3, 593683740), (4, 445262805), (5, 356210244), (6, 296841870), (9, 197894580), (10, 178105122), (12, 148420935), (13, 137003940), (15, 118736748), (18, 98947290), (20, 89052561), (26, 68501970), (27, 65964860), (30, 59368374), (36, 49473645), (39, 45667980), (45, 39578916), (52, 34250985), (53, 33604740), (54, 32982430), (60, 29684187), (65, 27400788), (78, 22833990), (90, 19789458), (106, 16802370), (108, 16491215), (117, 15222660), (130, 13700394), (135, 13192972), (156, 11416995), (159, 11201580), (180, 9894729), (195, 9133596), (212, 8401185), (234, 7611330), (260, 6850197), (265, 6720948), (270, 6596486), (318, 5600790), (351, 5074220), (390, 4566798), (468, 3805665), (477, 3733860), (530, 3360474), (540, 3298243), (585, 3044532), (636, 2800395), (689, 2584980), (702, 2537110), (780, 2283399), (795, 2240316), (954, 1866930), (1060, 1680237), (1170, 1522266), (1378, 1292490), (1404, 1268555), (1431, 1244620), (1590, 1120158), (1755, 1014844), (1908, 933465), (2067, 861660), (2340, 761133), (2385, 746772), (2756, 646245), (2862, 622310), (3180, 560079), (3445, 516996), (3510, 507422), (4134, 430830), (4770, 373386), (4787, 372060), (5724, 311155), (6201, 287220), (6890, 258498), (7020, 253711), (7155, 248924), (8268, 215415), (9540, 186693), (9574, 186030), (10335, 172332), (12402, 143610), (13780, 129249), (14310, 124462), (14361, 124020), (18603, 95740), (19148, 93015), (20670, 86166), (23935, 74412), (24804, 71805), (28620, 62231), (28722, 62010), (31005, 57444), (37206, 47870), (41340, 43083)]