1306920320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3536

約数の個数: 128

約数和(自身を含む): 3395865600

約数和(自身を除く): 2088945280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1520, 1984, 2356, 2432, 2480, 2945, 3040, 3467, 3968, 4712, 4960, 5890, 6080, 6934, 9424, 9920, 11780, 12160, 13868, 17335, 18848, 19840, 23560, 27736, 34670, 37696, 47120, 55472, 65873, 69340, 75392, 94240, 107477, 110944, 131746, 138680, 188480, 214954, 221888, 263492, 277360, 329365, 376960, 429908, 443776, 526984, 537385, 554720, 658730, 859816, 1053968, 1074770, 1109440, 1317460, 1719632, 2042063, 2107936, 2149540, 2218880, 2634920, 3439264, 4084126, 4215872, 4299080, 5269840, 6878528, 8168252, 8431744, 8598160, 10210315, 10539680, 13757056, 16336504, 17196320, 20420630, 21079360, 32673008, 34392640, 40841260, 42158720, 65346016, 68785280, 81682520, 130692032, 163365040, 261384064, 326730080, 653460160, 1306920320]

約数ペア:

[(1, 1306920320), (2, 653460160), (4, 326730080), (5, 261384064), (8, 163365040), (10, 130692032), (16, 81682520), (19, 68785280), (20, 65346016), (31, 42158720), (32, 40841260), (38, 34392640), (40, 32673008), (62, 21079360), (64, 20420630), (76, 17196320), (80, 16336504), (95, 13757056), (124, 10539680), (128, 10210315), (152, 8598160), (155, 8431744), (160, 8168252), (190, 6878528), (248, 5269840), (304, 4299080), (310, 4215872), (320, 4084126), (380, 3439264), (496, 2634920), (589, 2218880), (608, 2149540), (620, 2107936), (640, 2042063), (760, 1719632), (992, 1317460), (1178, 1109440), (1216, 1074770), (1240, 1053968), (1520, 859816), (1984, 658730), (2356, 554720), (2432, 537385), (2480, 526984), (2945, 443776), (3040, 429908), (3467, 376960), (3968, 329365), (4712, 277360), (4960, 263492), (5890, 221888), (6080, 214954), (6934, 188480), (9424, 138680), (9920, 131746), (11780, 110944), (12160, 107477), (13868, 94240), (17335, 75392), (18848, 69340), (19840, 65873), (23560, 55472), (27736, 47120), (34670, 37696)]