89973780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 284723712

約数和(自身を除く): 194749932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 61, 62, 65, 78, 93, 122, 124, 130, 155, 156, 183, 186, 195, 244, 260, 305, 310, 366, 372, 390, 403, 465, 610, 620, 732, 780, 793, 806, 915, 930, 1209, 1220, 1586, 1612, 1830, 1860, 1891, 2015, 2379, 2418, 3172, 3660, 3721, 3782, 3965, 4030, 4758, 4836, 5673, 6045, 7442, 7564, 7930, 8060, 9455, 9516, 11163, 11346, 11895, 12090, 14884, 15860, 18605, 18910, 22326, 22692, 23790, 24180, 24583, 28365, 37210, 37820, 44652, 47580, 48373, 49166, 55815, 56730, 73749, 74420, 96746, 98332, 111630, 113460, 115351, 122915, 145119, 147498, 193492, 223260, 230702, 241865, 245830, 290238, 294996, 346053, 368745, 461404, 483730, 491660, 576755, 580476, 692106, 725595, 737490, 967460, 1153510, 1384212, 1451190, 1474980, 1499563, 1730265, 2307020, 2902380, 2999126, 3460530, 4498689, 5998252, 6921060, 7497815, 8997378, 14995630, 17994756, 22493445, 29991260, 44986890, 89973780]

約数ペア:

[(1, 89973780), (2, 44986890), (3, 29991260), (4, 22493445), (5, 17994756), (6, 14995630), (10, 8997378), (12, 7497815), (13, 6921060), (15, 5998252), (20, 4498689), (26, 3460530), (30, 2999126), (31, 2902380), (39, 2307020), (52, 1730265), (60, 1499563), (61, 1474980), (62, 1451190), (65, 1384212), (78, 1153510), (93, 967460), (122, 737490), (124, 725595), (130, 692106), (155, 580476), (156, 576755), (183, 491660), (186, 483730), (195, 461404), (244, 368745), (260, 346053), (305, 294996), (310, 290238), (366, 245830), (372, 241865), (390, 230702), (403, 223260), (465, 193492), (610, 147498), (620, 145119), (732, 122915), (780, 115351), (793, 113460), (806, 111630), (915, 98332), (930, 96746), (1209, 74420), (1220, 73749), (1586, 56730), (1612, 55815), (1830, 49166), (1860, 48373), (1891, 47580), (2015, 44652), (2379, 37820), (2418, 37210), (3172, 28365), (3660, 24583), (3721, 24180), (3782, 23790), (3965, 22692), (4030, 22326), (4758, 18910), (4836, 18605), (5673, 15860), (6045, 14884), (7442, 12090), (7564, 11895), (7930, 11346), (8060, 11163), (9455, 9516)]