71319420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1$

素因数の和:509

約数の個数: 144

約数和(自身を含む): 236218080

約数和(自身を除く): 164898660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 340, 457, 459, 510, 540, 578, 612, 765, 867, 914, 918, 1020, 1156, 1371, 1445, 1530, 1734, 1828, 1836, 2285, 2295, 2601, 2742, 2890, 3060, 3468, 4113, 4335, 4570, 4590, 5202, 5484, 5780, 6855, 7769, 7803, 8226, 8670, 9140, 9180, 10404, 12339, 13005, 13710, 15538, 15606, 16452, 17340, 20565, 23307, 24678, 26010, 27420, 31076, 31212, 38845, 39015, 41130, 46614, 49356, 52020, 61695, 69921, 77690, 78030, 82260, 93228, 116535, 123390, 132073, 139842, 155380, 156060, 209763, 233070, 246780, 264146, 279684, 349605, 396219, 419526, 466140, 528292, 660365, 699210, 792438, 839052, 1048815, 1188657, 1320730, 1398420, 1584876, 1981095, 2097630, 2377314, 2641460, 3565971, 3962190, 4195260, 4754628, 5943285, 7131942, 7924380, 11886570, 14263884, 17829855, 23773140, 35659710, 71319420]

約数ペア:

[(1, 71319420), (2, 35659710), (3, 23773140), (4, 17829855), (5, 14263884), (6, 11886570), (9, 7924380), (10, 7131942), (12, 5943285), (15, 4754628), (17, 4195260), (18, 3962190), (20, 3565971), (27, 2641460), (30, 2377314), (34, 2097630), (36, 1981095), (45, 1584876), (51, 1398420), (54, 1320730), (60, 1188657), (68, 1048815), (85, 839052), (90, 792438), (102, 699210), (108, 660365), (135, 528292), (153, 466140), (170, 419526), (180, 396219), (204, 349605), (255, 279684), (270, 264146), (289, 246780), (306, 233070), (340, 209763), (457, 156060), (459, 155380), (510, 139842), (540, 132073), (578, 123390), (612, 116535), (765, 93228), (867, 82260), (914, 78030), (918, 77690), (1020, 69921), (1156, 61695), (1371, 52020), (1445, 49356), (1530, 46614), (1734, 41130), (1828, 39015), (1836, 38845), (2285, 31212), (2295, 31076), (2601, 27420), (2742, 26010), (2890, 24678), (3060, 23307), (3468, 20565), (4113, 17340), (4335, 16452), (4570, 15606), (4590, 15538), (5202, 13710), (5484, 13005), (5780, 12339), (6855, 10404), (7769, 9180), (7803, 9140), (8226, 8670)]