78173940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 192

約数和(自身を含む): 251983872

約数和(自身を除く): 173809932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 53, 60, 61, 62, 65, 78, 93, 106, 122, 124, 130, 155, 156, 159, 183, 186, 195, 212, 244, 260, 265, 305, 310, 318, 366, 372, 390, 403, 465, 530, 610, 620, 636, 689, 732, 780, 793, 795, 806, 915, 930, 1060, 1209, 1220, 1378, 1586, 1590, 1612, 1643, 1830, 1860, 1891, 2015, 2067, 2379, 2418, 2756, 3172, 3180, 3233, 3286, 3445, 3660, 3782, 3965, 4030, 4134, 4758, 4836, 4929, 5673, 6045, 6466, 6572, 6890, 7564, 7930, 8060, 8215, 8268, 9455, 9516, 9699, 9858, 10335, 11346, 11895, 12090, 12932, 13780, 15860, 16165, 16430, 18910, 19398, 19716, 20670, 21359, 22692, 23790, 24180, 24583, 24645, 28365, 32330, 32860, 37820, 38796, 41340, 42029, 42718, 47580, 48495, 49166, 49290, 56730, 64077, 64660, 73749, 84058, 85436, 96990, 98332, 98580, 100223, 106795, 113460, 122915, 126087, 128154, 147498, 168116, 193980, 200446, 210145, 213590, 245830, 252174, 256308, 294996, 300669, 320385, 368745, 400892, 420290, 427180, 491660, 501115, 504348, 601338, 630435, 640770, 737490, 840580, 1002230, 1202676, 1260870, 1281540, 1302899, 1474980, 1503345, 2004460, 2521740, 2605798, 3006690, 3908697, 5211596, 6013380, 6514495, 7817394, 13028990, 15634788, 19543485, 26057980, 39086970, 78173940]

約数ペア:

[(1, 78173940), (2, 39086970), (3, 26057980), (4, 19543485), (5, 15634788), (6, 13028990), (10, 7817394), (12, 6514495), (13, 6013380), (15, 5211596), (20, 3908697), (26, 3006690), (30, 2605798), (31, 2521740), (39, 2004460), (52, 1503345), (53, 1474980), (60, 1302899), (61, 1281540), (62, 1260870), (65, 1202676), (78, 1002230), (93, 840580), (106, 737490), (122, 640770), (124, 630435), (130, 601338), (155, 504348), (156, 501115), (159, 491660), (183, 427180), (186, 420290), (195, 400892), (212, 368745), (244, 320385), (260, 300669), (265, 294996), (305, 256308), (310, 252174), (318, 245830), (366, 213590), (372, 210145), (390, 200446), (403, 193980), (465, 168116), (530, 147498), (610, 128154), (620, 126087), (636, 122915), (689, 113460), (732, 106795), (780, 100223), (793, 98580), (795, 98332), (806, 96990), (915, 85436), (930, 84058), (1060, 73749), (1209, 64660), (1220, 64077), (1378, 56730), (1586, 49290), (1590, 49166), (1612, 48495), (1643, 47580), (1830, 42718), (1860, 42029), (1891, 41340), (2015, 38796), (2067, 37820), (2379, 32860), (2418, 32330), (2756, 28365), (3172, 24645), (3180, 24583), (3233, 24180), (3286, 23790), (3445, 22692), (3660, 21359), (3782, 20670), (3965, 19716), (4030, 19398), (4134, 18910), (4758, 16430), (4836, 16165), (4929, 15860), (5673, 13780), (6045, 12932), (6466, 12090), (6572, 11895), (6890, 11346), (7564, 10335), (7930, 9858), (8060, 9699), (8215, 9516), (8268, 9455)]