61538720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:718

約数の個数: 96

約数和(自身を含む): 158215680

約数和(自身を除く): 96676960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 653, 760, 992, 1178, 1240, 1306, 1520, 2356, 2480, 2612, 2945, 3040, 3265, 4712, 4960, 5224, 5890, 6530, 9424, 10448, 11780, 12407, 13060, 18848, 20243, 20896, 23560, 24814, 26120, 40486, 47120, 49628, 52240, 62035, 80972, 94240, 99256, 101215, 104480, 124070, 161944, 198512, 202430, 248140, 323888, 384617, 397024, 404860, 496280, 647776, 769234, 809720, 992560, 1538468, 1619440, 1923085, 1985120, 3076936, 3238880, 3846170, 6153872, 7692340, 12307744, 15384680, 30769360, 61538720]

約数ペア:

[(1, 61538720), (2, 30769360), (4, 15384680), (5, 12307744), (8, 7692340), (10, 6153872), (16, 3846170), (19, 3238880), (20, 3076936), (31, 1985120), (32, 1923085), (38, 1619440), (40, 1538468), (62, 992560), (76, 809720), (80, 769234), (95, 647776), (124, 496280), (152, 404860), (155, 397024), (160, 384617), (190, 323888), (248, 248140), (304, 202430), (310, 198512), (380, 161944), (496, 124070), (589, 104480), (608, 101215), (620, 99256), (653, 94240), (760, 80972), (992, 62035), (1178, 52240), (1240, 49628), (1306, 47120), (1520, 40486), (2356, 26120), (2480, 24814), (2612, 23560), (2945, 20896), (3040, 20243), (3265, 18848), (4712, 13060), (4960, 12407), (5224, 11780), (5890, 10448), (6530, 9424)]