31750740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 111541248

約数和(自身を除く): 79790508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 113, 126, 140, 180, 210, 223, 226, 252, 315, 339, 420, 446, 452, 565, 630, 669, 678, 791, 892, 1017, 1115, 1130, 1260, 1338, 1356, 1561, 1582, 1695, 2007, 2034, 2230, 2260, 2373, 2676, 3122, 3164, 3345, 3390, 3955, 4014, 4068, 4460, 4683, 4746, 5085, 6244, 6690, 6780, 7119, 7805, 7910, 8028, 9366, 9492, 10035, 10170, 11865, 13380, 14049, 14238, 15610, 15820, 18732, 20070, 20340, 23415, 23730, 25199, 28098, 28476, 31220, 35595, 40140, 46830, 47460, 50398, 56196, 70245, 71190, 75597, 93660, 100796, 125995, 140490, 142380, 151194, 176393, 226791, 251990, 280980, 302388, 352786, 377985, 453582, 503980, 529179, 705572, 755970, 881965, 907164, 1058358, 1133955, 1511940, 1587537, 1763930, 2116716, 2267910, 2645895, 3175074, 3527860, 4535820, 5291790, 6350148, 7937685, 10583580, 15875370, 31750740]

約数ペア:

[(1, 31750740), (2, 15875370), (3, 10583580), (4, 7937685), (5, 6350148), (6, 5291790), (7, 4535820), (9, 3527860), (10, 3175074), (12, 2645895), (14, 2267910), (15, 2116716), (18, 1763930), (20, 1587537), (21, 1511940), (28, 1133955), (30, 1058358), (35, 907164), (36, 881965), (42, 755970), (45, 705572), (60, 529179), (63, 503980), (70, 453582), (84, 377985), (90, 352786), (105, 302388), (113, 280980), (126, 251990), (140, 226791), (180, 176393), (210, 151194), (223, 142380), (226, 140490), (252, 125995), (315, 100796), (339, 93660), (420, 75597), (446, 71190), (452, 70245), (565, 56196), (630, 50398), (669, 47460), (678, 46830), (791, 40140), (892, 35595), (1017, 31220), (1115, 28476), (1130, 28098), (1260, 25199), (1338, 23730), (1356, 23415), (1561, 20340), (1582, 20070), (1695, 18732), (2007, 15820), (2034, 15610), (2230, 14238), (2260, 14049), (2373, 13380), (2676, 11865), (3122, 10170), (3164, 10035), (3345, 9492), (3390, 9366), (3955, 8028), (4014, 7910), (4068, 7805), (4460, 7119), (4683, 6780), (4746, 6690), (5085, 6244)]