72181320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:935

約数の個数: 128

約数和(自身を含む): 235146240

約数和(自身を除く): 162964920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 863, 984, 1020, 1230, 1394, 1640, 1726, 2040, 2091, 2460, 2589, 2788, 3452, 3485, 4182, 4315, 4920, 5178, 5576, 6904, 6970, 8364, 8630, 10356, 10455, 12945, 13940, 14671, 16728, 17260, 20712, 20910, 25890, 27880, 29342, 34520, 35383, 41820, 44013, 51780, 58684, 70766, 73355, 83640, 88026, 103560, 106149, 117368, 141532, 146710, 176052, 176915, 212298, 220065, 283064, 293420, 352104, 353830, 424596, 440130, 530745, 586840, 601511, 707660, 849192, 880260, 1061490, 1203022, 1415320, 1760520, 1804533, 2122980, 2406044, 3007555, 3609066, 4245960, 4812088, 6015110, 7218132, 9022665, 12030220, 14436264, 18045330, 24060440, 36090660, 72181320]

約数ペア:

[(1, 72181320), (2, 36090660), (3, 24060440), (4, 18045330), (5, 14436264), (6, 12030220), (8, 9022665), (10, 7218132), (12, 6015110), (15, 4812088), (17, 4245960), (20, 3609066), (24, 3007555), (30, 2406044), (34, 2122980), (40, 1804533), (41, 1760520), (51, 1415320), (60, 1203022), (68, 1061490), (82, 880260), (85, 849192), (102, 707660), (120, 601511), (123, 586840), (136, 530745), (164, 440130), (170, 424596), (204, 353830), (205, 352104), (246, 293420), (255, 283064), (328, 220065), (340, 212298), (408, 176915), (410, 176052), (492, 146710), (510, 141532), (615, 117368), (680, 106149), (697, 103560), (820, 88026), (863, 83640), (984, 73355), (1020, 70766), (1230, 58684), (1394, 51780), (1640, 44013), (1726, 41820), (2040, 35383), (2091, 34520), (2460, 29342), (2589, 27880), (2788, 25890), (3452, 20910), (3485, 20712), (4182, 17260), (4315, 16728), (4920, 14671), (5178, 13940), (5576, 12945), (6904, 10455), (6970, 10356), (8364, 8630)]