71573320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 205620660

約数和(自身を除く): 134047340

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 53, 56, 65, 70, 91, 98, 104, 106, 130, 140, 182, 196, 212, 245, 260, 265, 280, 364, 371, 392, 424, 455, 490, 520, 530, 637, 689, 728, 742, 910, 980, 1060, 1274, 1378, 1484, 1820, 1855, 1960, 2120, 2548, 2597, 2756, 2809, 2968, 3185, 3445, 3640, 3710, 4823, 5096, 5194, 5512, 5618, 6370, 6890, 7420, 9646, 10388, 11236, 12740, 12985, 13780, 14045, 14840, 19292, 19663, 20776, 22472, 24115, 25480, 25970, 27560, 28090, 33761, 36517, 38584, 39326, 48230, 51940, 56180, 67522, 73034, 78652, 96460, 98315, 103880, 112360, 135044, 137641, 146068, 157304, 168805, 182585, 192920, 196630, 255619, 270088, 275282, 292136, 337610, 365170, 393260, 511238, 550564, 675220, 688205, 730340, 786520, 1022476, 1101128, 1278095, 1350440, 1376410, 1460680, 1789333, 2044952, 2556190, 2752820, 3578666, 5112380, 5505640, 7157332, 8946665, 10224760, 14314664, 17893330, 35786660, 71573320]

約数ペア:

[(1, 71573320), (2, 35786660), (4, 17893330), (5, 14314664), (7, 10224760), (8, 8946665), (10, 7157332), (13, 5505640), (14, 5112380), (20, 3578666), (26, 2752820), (28, 2556190), (35, 2044952), (40, 1789333), (49, 1460680), (52, 1376410), (53, 1350440), (56, 1278095), (65, 1101128), (70, 1022476), (91, 786520), (98, 730340), (104, 688205), (106, 675220), (130, 550564), (140, 511238), (182, 393260), (196, 365170), (212, 337610), (245, 292136), (260, 275282), (265, 270088), (280, 255619), (364, 196630), (371, 192920), (392, 182585), (424, 168805), (455, 157304), (490, 146068), (520, 137641), (530, 135044), (637, 112360), (689, 103880), (728, 98315), (742, 96460), (910, 78652), (980, 73034), (1060, 67522), (1274, 56180), (1378, 51940), (1484, 48230), (1820, 39326), (1855, 38584), (1960, 36517), (2120, 33761), (2548, 28090), (2597, 27560), (2756, 25970), (2809, 25480), (2968, 24115), (3185, 22472), (3445, 20776), (3640, 19663), (3710, 19292), (4823, 14840), (5096, 14045), (5194, 13780), (5512, 12985), (5618, 12740), (6370, 11236), (6890, 10388), (7420, 9646)]