221414940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1801}}^1$

素因数の和:2499

約数の個数: 72

約数和(自身を含む): 672982128

約数和(自身を除く): 451567188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 683, 1366, 1801, 2049, 2732, 3415, 3602, 4098, 5403, 6147, 6830, 7204, 8196, 9005, 10245, 10806, 12294, 13660, 16209, 18010, 20490, 21612, 24588, 27015, 30735, 32418, 36020, 40980, 54030, 61470, 64836, 81045, 108060, 122940, 162090, 324180, 1230083, 2460166, 3690249, 4920332, 6150415, 7380498, 11070747, 12300830, 14760996, 18451245, 22141494, 24601660, 36902490, 44282988, 55353735, 73804980, 110707470, 221414940]

約数ペア:

[(1, 221414940), (2, 110707470), (3, 73804980), (4, 55353735), (5, 44282988), (6, 36902490), (9, 24601660), (10, 22141494), (12, 18451245), (15, 14760996), (18, 12300830), (20, 11070747), (30, 7380498), (36, 6150415), (45, 4920332), (60, 3690249), (90, 2460166), (180, 1230083), (683, 324180), (1366, 162090), (1801, 122940), (2049, 108060), (2732, 81045), (3415, 64836), (3602, 61470), (4098, 54030), (5403, 40980), (6147, 36020), (6830, 32418), (7204, 30735), (8196, 27015), (9005, 24588), (10245, 21612), (10806, 20490), (12294, 18010), (13660, 16209)]